piperazine

antiren 1,4- diazacyclohexane 1,4- diethylene diamine diethyleneimine dispermine DOW specialty amines - piperazine 68% aqueous (PIP) entacyl eraverm hexahydro-1,4-diazine hexahydropyrazine lumbrical 1,4- piperazine piperazine anhydrous piperazine anhydrous-flakes piperazine chips pipersol pyrazine hexahydride uvilon vermex vermizine worm-a-ton wormelix wurmirazin Info: aliphatic and aromatic amines and amides derivatives PubMed: "Not for human consumption": a review of emerging designer drugs. PubMed: Discovery of the highly potent fluoroquinolone-based benzothiazolyl-4-thiazolidinone hybrids as antibacterials. PubMed: ["Legal highs" from the German internet--"bath salt drugs" on the rise]. PubMed: Regulation of 3β-hydroxysteroid dehydrogenase and sulphotransferase 2A1 gene expression in primary porcine hepatocytes by selected sex-steroids and plant secondary metabolites from chicory (Cichorium intybus L.) and wormwood (Artemisia sp.). PubMed: An evolving role of piperazine moieties in drug design and discovery. PubMed: Fabrication and application of a new modified electrochemical sensor using nano-silica and a newly synthesized Schiff base for simultaneous determination of Cd2+, Cu2+ and Hg2+ ions in water and some foodstuff samples. PubMed: Development of antimicrobial resistance in Campylobacter jejuni and Campylobacter coli adapted to biocides. PubMed: Resistance to bile salts and sodium deoxycholate in macrolide- and fluoroquinolone-susceptible and resistant Campylobacter jejuni and Campylobacter coli strains. PubMed: Rapid-screening detection of acetildenafils, sildenafils and avanafil by ion mobility spectrometry. PubMed: The exposure of highly toxic aconitine does not significantly impact the activity and expression of cytochrome P450 3A in rats determined by a novel ultra performance liquid chromatography-tandem mass spectrometric method of a specific probe buspirone. PubMed: One-step cyclization: synthesis of N-heteroalkyl-N'-tosylpiperazines. PubMed: Effects of efflux pump inhibitors on erythromycin, ciprofloxacin, and tetracycline resistance in Campylobacter spp. isolates. PubMed: A novel LC-MS application to investigate oxidation of peptides isolated from β-lactoglobulin. PubMed: Direct fluorimetric sensing of UV-excited analytes in biological and environmental samples using molecularly imprinted polymer nanoparticles and fluorescence polarization. PubMed: Prevalence of new psychoactive substances: A retrospective study in hair. PubMed: Serotonin 5-HT2C receptor-mediated inhibition of the M-current in hypothalamic POMC neurons. PubMed: Involvement of efflux mechanisms in biocide resistance of Campylobacter jejuni and Campylobacter coli. PubMed: Safety, tolerability, and pharmacokinetics of once-daily trazodone extended-release caplets in healthy subjects. PubMed: Estradiol increases the anorexia associated with increased 5-HT(2C) receptor activation in ovariectomized rats. PubMed: Serotonin 2C receptor activates a distinct population of arcuate pro-opiomelanocortin neurons via TRPC channels. PubMed: Identification of novel sildenafil-analogues in an adulterated herbal food supplement. PubMed: An analysis of legal highs: do they contain what it says on the tin? PubMed: Dimerization of azomethine ylides: an alternate route to pyrazine formation in the Maillard reaction. PubMed: Species-dependent degradation of ciprofloxacin in a membrane anodic Fenton system. PubMed: Hypothalamic orexin and pro-opiomelanocortin activities are essential for the anorexic effects of m-chlorophenylpiperazine in mice. PubMed: Three new dioxopiperazine metabolites from a marine-derived fungus Aspergillus fumigatus Fres. PubMed: Synthesis and biological activity of some novel trifluoromethyl-substituted 1,2,4-triazole and bis(1,2,4-triazole) Mannich bases containing piperazine rings. PubMed: Liquid chromatographic determination of endogenous phytohormones in vegetable samples based on chemical derivatization with 6-oxy(acetylpiperazine) fluorescein. PubMed: Molecular modeling studies on the human neuropeptide S receptor and its antagonists. PubMed: Design and synthesis of novel insecticides based on the serotonergic ligand 1-[(4-aminophenyl)ethyl]-4-[3-(trifluoromethyl)phenyl]piperazine (PAPP). PubMed: Use of a hydrolytic procedure and spectrometric methods in the structure elucidation of a thiocarbonyl analogue of sildenafil detected as an adulterant in an over-the-counter herbal aphrodisiac. PubMed: Neurobiology, pharmacology, and medicinal chemistry of neuropeptide S and its receptor. PubMed: Use of antipsychotics during pregnancy and breastfeeding. PubMed: Serotonin 5-HT2C receptor-independent expression of hypothalamic NOR1, a novel modulator of food intake and energy balance, in mice. PubMed: Characterizing the effects of 5-HT(2C) receptor ligands on motor activity and feeding behaviour in 5-HT(2C) receptor knockout mice. PubMed: Evaluation of the extent of protein binding by means of NMR diffusion and relaxation experiments, and automated continuous ultrafiltration. PubMed: Structural characterization of sulfoaildenafil, an analog of sildenafil. PubMed: Ghrelin receptor modulators and their therapeutic potential. PubMed: Analysis of protein oxidation markers alpha-aminoadipic and gamma-glutamic semialdehydes in food proteins using liquid chromatography (LC)-electrospray ionization (ESI)-multistage tandem mass spectrometry (MS). PubMed: Acaricidal properties of piperazine and its derivatives against house-dust and stored-food mites. PubMed: Inhibition of oxidant-induced biochemical changes of pork myofibrillar protein by hydrolyzed potato protein. PubMed: Direct intramolecular gas-phase transfer reactions during fragmentation of sildenafil and thiosildenafil analogs in electrospray ionization mass spectrometry. PubMed: Blockade of hindbrain NMDA receptors containing NR2 subunits increases sucrose intake. PubMed: Responsiveness of 5-HT2C receptors in repeatedly diazepam-injected rats: a behavioral and neurochemical study. PubMed: Selective serotonin reuptake inhibitors modify physiological gastrointestinal motor activities via 5-HT2c receptor and acyl ghrelin. PubMed: Activation of serotonin 5-HT1-receptors decreased gripping-induced immobility episodes in taiep rats. PubMed: Fluvoxamine exerts anorexic effect in 5-HT2C receptor mutant mice with heterozygous mutation of beta-endorphin gene. PubMed: Prevalence of ergot derivatives in natural ryegrass pastures: detection and pathogenicity in the horse. PubMed: An approach for mapping the number and distribution of Salmonella contamination on the poultry carcass. PubMed: Distribution and neurochemical characterization of neurons within the nucleus of the solitary tract responsive to serotonin agonist-induced hypophagia. PubMed: 2-Substituted piperazine-derived imidazole carboxamides as potent and selective CCK1R agonists for the treatment of obesity. PubMed: Transformation of N-phenylpiperazine by mixed cultures from a municipal wastewater treatment plant. PubMed: Effect of putative efflux pump inhibitors and inducers on the antimicrobial susceptibility of Campylobacter jejuni and Campylobacter coli. PubMed: Taste-dependent sociophobia: when food and company do not mix. PubMed: Serotonin systems upregulate the expression of hypothalamic NUCB2 via 5-HT2C receptors and induce anorexia via a leptin-independent pathway in mice. PubMed: Effects of chemotherapeutic agents 5-fluorouracil and methotrexate alone and combined in a mouse model of learning and memory. PubMed: Rikkunshito, an herbal medicine, suppresses cisplatin-induced anorexia in rats via 5-HT2 receptor antagonism. PubMed: Pharmacological and pharmacokinetic characterization of 2-piperazine-alpha-isopropyl benzylamine derivatives as melanocortin-4 receptor antagonists. PubMed: Food restriction alters N'-propyl-4,5,6,7-tetrahydrobenzothiazole-2,6-diamine dihydrochloride (pramipexole)-induced yawning, hypothermia, and locomotor activity in rats: evidence for sensitization of dopamine D2 receptor-mediated effects. PubMed: Effects of a Cannabinoid1 receptor antagonist and Serotonin2C receptor agonist alone and in combination on motivation for palatable food: a dose-addition analysis study in mice. PubMed: Design, synthesis and biological evaluation of piperazine analogues as CB1 cannabinoid receptor ligands. PubMed: Role of dopamine D3 receptors in the expression of conditioned fear in rats. PubMed: Discovery of 1-[2-[(1S)-(3-dimethylaminopropionyl)amino-2-methylpropyl]-4-methylphenyl]-4-[(2R)-methyl-3-(4-chlorophenyl)-propionyl]piperazine as an orally active antagonist of the melanocortin-4 receptor for the potential treatment of cachexia. PubMed: Catecholamine reuptake inhibition causes weight loss by increasing locomotor activity and thermogenesis. PubMed: Effect of meta-chlorophenylpiperazine and cholecystokinin on food intake of Osborne-Mendel and S5B/P1 rats. PubMed: Structure determination of new analogues of vardenafil and sildenafil in dietary supplements. PubMed: Genotoxicity of 2-(3-chlorobenzyloxy)-6-(piperazinyl)pyrazine, a novel 5-hydroxytryptamine2c receptor agonist for the treatment of obesity: role of metabolic activation. PubMed: Identification of metabolites produced from N-phenylpiperazine by Mycobacterium spp. PubMed: Gastric mucosal damage following repeat administration of melanocortin subtype-4 receptor ligands to Fischer 344 rats. PubMed: Hyperphagia alters expression of hypothalamic 5-HT2C and 5-HT1B receptor genes and plasma des-acyl ghrelin levels in Ay mice. PubMed: Inhibition of dopamine and norepinephrine reuptake produces additive effects on energy balance in lean and obese mice. PubMed: Effects of soybean food pellets on m-CPP-induced anxiety model of mice. PubMed: Biochemical changes in myofibrillar protein isolates exposed to three oxidizing systems. PubMed: Serotonin 1B and 2C receptor interactions in the modulation of feeding behaviour in the mouse. PubMed: Medial parabrachial nucleus neurons modulate d-fenfluramine-induced anorexia through 5HT2C receptors. PubMed: The receptor of an oyster juice-borne coliphage OJ367 in the outer membrane of Salmonella derby. PubMed: Effects of mu-CPP and mesulergine on dietary choices in deprived rats: possible mechanisms of their action. PubMed: Organophosphorus derivatives containing piperazine dithiosemicarbazones as chemotherapeutants against fungal pathogens of sugarcane. PubMed: Melanocortin subtype-4 receptor agonists containing a piperazine core with substituted aryl sulfonamides. PubMed: 1,4-bis(3-aminopropyl)piperazine libraries: from the discovery of classical chloroquine-like antimalarials to the identification of new targets. PubMed: Agonist diversity in 5-HT(2C) receptor-mediated weight control in rats. PubMed: NAN-190, a possible specific antagonist for methamphetamine. PubMed: Discriminative stimulus effects of ethanol in rats using a three-choice ethanol-midazolam-water discrimination. PubMed: Anxiety-like state associates with taste to produce conditioned taste aversion. PubMed: A 5-HT2C agonist elicits hyperactivity and oral dyskinesia with hypophagia in rabbits. PubMed: Reduced hypophagic effects of d-fenfluramine and the 5-HT2C receptor agonist mCPP in 5-HT1B receptor knockout mice. PubMed: Modification by dopaminergic drugs of choice behavior under concurrent schedules of intravenous saline and food delivery in monkeys. PubMed: Effects of food on the bioavailability of gepirone from extended-release tablets in humans: results of two open-label crossover studies. PubMed: Oral administration of the 5-HT2Creceptor agonist, mCPP, reduces body weight gain in rats over 28 days as a result of maintained hypophagia. PubMed: Synergy between sulforaphane and selenium in the induction of thioredoxin reductase 1 requires both transcriptional and translational modulation. PubMed: 5-HT1B receptor knockout mice show a compensatory reduction in 5-HT2C receptor function. PubMed: Effects of GABA(A) compounds on mCPP drug discrimination in rats. PubMed: mCPP-induced hypophagia in rats is unaffected by the profile of dietary unsaturated fatty acids. PubMed: Role of 5-hT2C receptors in the hypophagic effect of m-CPP, ORG 37684 and CP-94,253 in the rat. PubMed: Ziprasidone: the fifth atypical antipsychotic. PubMed: Serotonin 2C receptor agonists and the behavioural satiety sequence in mice. PubMed: Mechanism-based design of parasite-targeted artemisinin derivatives: synthesis and antimalarial activity of new diamine containing analogues. PubMed: Pre- and postsynaptic responses to 1-(1-naphthylpiperazine) following adaptation to stress in rats. PubMed: Sex-dependent toxicity of a novel acyl-CoA:cholesterol acyltransferase inhibitor, YIC-C8-434, in relation to sex-specific forms of cytochrome P450 in rats. PubMed: Requirements for the application of protein sodium dodecyl sulfate-polyacrylamide gel electrophoresis and randomly amplified polymorphic DNA analyses to product speciation. PubMed: Vanoxerine National Institute on Drug Abuse. PubMed: Manipulation of operant responding for an ethanol-paired conditioned stimulus in the rat by pharmacological alteration of the serotonergic system. PubMed: Effects of serotonin(1/2) receptor agonists on dark-phase food and water intake in rats. PubMed: Crystallization and preliminary X-ray crystallographic analysis of NADPH: azodicarbonyl/quinone oxidoreductase, a plant zeta-crystallin. PubMed: Comparative effects of continuous infusion of mCPP, Ro 60-0175 and d-fenfluramine on food intake, water intake, body weight and locomotor activity in rats. PubMed: Sex differences in the discriminative stimulus effects of m-chlorophenylpiperazine and ethanol withdrawal. PubMed: Comparison of either norepinephrine-uptake inhibitors or phentermine combined with serotonergic agents on food intake in rats. PubMed: Liquid chromatographic method for the analysis of buspirone HCl and its potential impurities. PubMed: Activation of 5-HT2A receptors impairs response control of rats in a five-choice serial reaction time task. PubMed: Comparative behavioral pharmacology of cocaine and the selective dopamine uptake inhibitor RTI-113 in the squirrel monkey. PubMed: Oxygenated analogues of 1-[2-(Diphenylmethoxy)ethyl]- and 1-[2-[Bis(4-fluorophenyl)methoxy]ethyl]-4-(3-phenylpropyl)piperazines (GBR 12935 and GBR 12909) as potential extended-action cocaine-abuse therapeutic agents. PubMed: Clinical pharmacokinetics and pharmacodynamics of buspirone, an anxiolytic drug. PubMed: Discriminative stimulus properties of the novel serotonin (5-HT)2C receptor agonist, RO 60-0175: a pharmacological analysis. PubMed: Effects of phentermine on responding maintained under multiple fixed-ratio schedules of food and cocaine presentation in the rhesus monkey. PubMed: Synthesis of 7-benzylamino-6-chloro-2-piperazino-4-pyrrolidinopteridine and novel derivatives free of positional isomers. Potent inhibitors of cAMP-specific phosphodiesterase and of malignant tumor cell growth. PubMed: Evidence for overshadowing by components of the heterogeneous discriminative stimulus effects of ethanol. PubMed: Citalopram-induced hypophagia is enhanced by blockade of 5-HT(1A) receptors: role of 5-HT(2C) receptors. PubMed: Sigma receptor ligands (+)-SKF10,047 and SA4503 improve dizocilpine-induced spatial memory deficits in rats. PubMed: 5-Hydroxytryptaminergic receptor agonists: effects on neuropeptide Y potentiation of feeding and respiratory quotient. PubMed: Limited access to ethanol in genetic drinking rats is suppressed while feeding is enhanced by the mixed 5-HT1A agonist/5-HT2A antagonist FG5938. PubMed: Reversal of fenfluramine and fluoxetine anorexia by 8-OH-DPAT is attenuated following raphe injection of 5,7-dihydroxytryptamine. PubMed: Efficacy of administration of dexfenfluramine and phentermine, alone and in combination, on ingestive behavior and body weight in rats. PubMed: Effect of chronic m-CPP on locomotion, hypophagia, plasma corticosterone and 5-HT2C receptor levels in the rat. PubMed: Discriminative stimulus effects of 8-hydroxy-2-(di-n-propylamino)tetralin in pigeons and rats: species similarities and differences. PubMed: RS-102221: a novel high affinity and selective, 5-HT2C receptor antagonist. PubMed: SB 242084, a selective and brain penetrant 5-HT2C receptor antagonist. PubMed: Heteroaromatic analogs of 1-[2-(diphenylmethoxy)ethyl]- and 1-[2-[bis(4-fluorophenyl)methoxy]ethyl]-4-(3-phenylpropyl)piperazines (GBR 12935 and GBR 12909) as high-affinity dopamine reuptake inhibitors. PubMed: The mixed 5-HT 1A/2A receptor drug FG5938 suppresses alcohol drinking while enhancing feeding in P rats. PubMed: Daily administration of m-chlorophenylpiperazine to healthy human volunteers rapidly attenuates many of its behavioral, hormonal, cardiovascular and temperature effects. PubMed: Differential effects of the 5-HT 1B/2C receptor agonist mCPP and the 5-HT1A agonist flesinoxan on hypothalamic neuropeptide Y in the rat: evidence that NPY may mediate serotonin's effects on food intake. PubMed: MDMA (Ecstasy) substitutes for the ethanol discriminative cue in HAD but not LAD rats. PubMed: Lack of cross-tolerance for hypophagia induced by DOI versus m-CPP suggests separate mediation by 5-HT2A and 5-HT2C receptors, respectively. PubMed: Enhanced anorexic responses to m-chlorophenylpiperazine during lithium administration to fawn-hooded rats. PubMed: m-Chlorophenylpiperazine decreases food intake in a test meal. PubMed: Testmeal responses following m-chlorophenylpiperazine and L-tryptophan in bulimics and controls. PubMed: Evidence that 1-(2,5-dimethoxy-4-methylphenyl)-2-aminopropane-induced hypophagia and hyperthermia in rats is mediated by serotonin-2A receptors. PubMed: Anti-atherosclerotic and plasma lipid lowering effects of the novel calcium blocker with alpha 1-adrenoceptor antagonistic activity, monatepil, in high cholesterol diet-fed Japanese Macaca fuscata monkeys. PubMed: In vivo properties of SB 200646A, a 5-HT2C/2B receptor antagonist. PubMed: Evidence that 5-HT2c receptor antagonists are anxiolytic in the rat Geller-Seifter model of anxiety. PubMed: Assessment of the dependence potential of the potent high-efficacy 5-HT1A agonist S-14506 in rats. PubMed: An examination of the behavioural specificity of hypophagia induced by 5-HT1B, 5-HT1C and 5-HT2 receptor agonists using the post-prandial satiety sequence in rats. PubMed: Radiofrequency lesions of the PVN fail to modify the effects of serotonergic drugs on food intake. PubMed: The discriminative stimulus effects of cocaine in pigeons. PubMed: d-Fenfluramine- and d-norfenfluramine-induced hypophagia: differential mechanisms and involvement of postsynaptic 5-HT receptors. PubMed: Effect of food on the bioavailability of gepirone in humans. PubMed: Effect of chronic treatment with TFMPP, a 5-HT1 receptor agonist, on food intake, weight gain, plasma insulin and neuropeptide mRNA expression in obese Zucker rats. PubMed: Effects of food deprivation and mCPP treatment on the microstructure of ingestive behaviour of male and female rats. PubMed: Function specific supersensitivity of m-chlorophenyl piperazine-induced serotonergic neurotransmission in female compared to male rats. PubMed: Substitution of the 5-HT1 agonist trifluoromethylphenylpiperazine (TFMPP) for the discriminative stimulus effects of ethanol: effect of training dose. PubMed: Effects of the putative 5-HT1A receptor antagonist NAN-190 on free feeding and on feeding induced by the 5-HT1A receptor agonist 8-OH-DPAT in the rat. PubMed: Weight gain associated with cinnarizine. PubMed: A comparison of the effects of the 5-HT1 agonists TFMPP and RU 24969 on feeding following peripheral or medial hypothalamic injection. PubMed: Discriminative stimulus properties of the serotonergic compound eltoprazine. PubMed: Stereoselective behavioral effects of Lu 19-005 in monkeys: relation to binding at cocaine recognition sites. PubMed: Effects of the 5HT(1A) agonist anxiolytic gepirone on benzodiazepine withdrawal signs in rats. PubMed: Possible serotonergic and dopaminergic mediation of the N-ethyl-3,4-methylenedioxyamphetamine discriminative stimulus. PubMed: Potencies of antagonists indicate that 5-HT1C receptors mediate 1-3(chlorophenyl)piperazine-induced hypophagia. PubMed: Pharmacological characterization of the discriminative-stimulus effects of GBR 12909. PubMed: Hypothalamic monoamines and food intake in alcohol-preferring AA and alcohol-avoiding ANA rats. PubMed: Effects of tryptophan and of 5-hydroxytryptamine receptor subtype agonists on feeding. PubMed: Behavioral mechanisms for the anorectic action of the serotonin (5-HT) uptake inhibitor sertraline in rats: comparison with directly acting 5-HT agonists. PubMed: Effects of serotonin agonists on operant behavior in the squirrel monkey: quipazine, MK-212, trifluoromethylphenylpiperazine, and chlorophenylpiperazine. PubMed: Regulation of neutrophil chemotaxis: correlations with actin polymerization. PubMed: Anorexia induced by M-trifluoromethylphenylpiperazine (TFMPP) in rats. PubMed: Serotonin and appetite. PubMed: Control of food intake by kainate/quisqualate receptors in the median raphe nucleus. PubMed: Long-term cortisol treatment impairs behavioral and neuroendocrine responses to 5-HT1 agonists in the rat. PubMed: Serotonin-antagonist effects of 1-(1-naphthyl)piperazine on operant behavior of squirrel monkeys. PubMed: Long-term lithium treatment in rats attenuates m-chlorophenylpiperazine-induced decreases in food intake but not locomotor activity. PubMed: A comparison of feeding and locomotion responses to serotonin agonists in three rat strains. PubMed: Determination of dimetridazole and ipronidazole in feeds at cross-contamination levels. PubMed: [Chromatographic separation of mono- and oligomeric carbohydrates from biological materials with the use of HPLC glass columns]. PubMed: The antiemetic drug trimethobenzamide prevents hypophagia due to acetyl salicylate, but not to 5-HT1B or 5-HT1C agonists. PubMed: Infusion of the 5-hydroxytryptamine agonists RU24969 and TFMPP into the paraventricular nucleus of the hypothalamus causes hypophagia. PubMed: 1-(2,5-Dimethoxy-4-iodophenyl)-2-aminopropane (DOI) exerts an anorexic action that is blocked by 5-HT2 antagonists in rats. PubMed: Fawn hooded rats are subsensitive to the food intake suppressant effects of 5-HT agonists. PubMed: Evidence that hypophagia induced by mCPP and TFMPP requires 5-HT1C and 5-HT1B receptors; hypophagia induced by RU 24969 only requires 5-HT1B receptors. PubMed: Inhibition of human neutrophil chemotaxis by the protein kinase inhibitor, 1-(5-isoquinolinesulfonyl) piperazine. PubMed: 5-HT1B agonists induce anorexia at a postsynaptic site. PubMed: Long-term imipramine treatment enhances locomotor and food intake suppressant effects of m-chlorophenylpiperazine in rats. PubMed: The effects of 8-hydroxy-2-(di-n-propylamino)tetralin and other serotonergic agonists on performance in a radial maze: a possible role for 5-HT1A receptors in memory. PubMed: Neurochemical and behavioural evidence for an agonist action of 1-[2-(4-aminophenyl)ethyl]-4-(3-trifluoromethylphenyl)piperazine (LY 165163) at central 5-HT receptors. PubMed: Discriminative stimulus properties of buspirone in the pigeon. PubMed: Behavioral studies with anxiolytic drugs. III. Antipunishment actions of buspirone in the pigeon do not involve benzodiazepine receptor mechanisms. PubMed: Anthelmintics for swine. PubMed: Neurochemical mechanism of action of drugs which modify feeding via the serotoninergic system. PubMed: Effects of serotonin receptor agonists and antagonists on schedule-controlled behavior of squirrel monkeys. PubMed: Two novel agents affecting eating through an action on monoaminergic systems. PubMed: Long-term clorgyline treatment antagonizes the eating and motor function responses to m-chlorophenylpiperazine. PubMed: Mutagenicity of pyrolysates from guanidine, ureide, secondary amines and polyamines found by the Salmonella/mammalian-microsome test. PubMed: Toxicity of aspartame and its diketopiperazine for Wistar rats by dietary administration for 104 weeks. PubMed: Further studies on the mechanism of serotonin-dependent anorexia in rats. PubMed: Induction of mouse lung adenomas by amines or ureas plus nitrite and by N-nitroso compounds: effect of ascorbate, gallic acid, thiocyanate, and caffeine. PubMed: Polarographic determination of piperazine in animal feeds. PubMed: [Effect of piperazine (hexahydropyrazone) on various developmental stages of Trichinella spiralis (Owen) in experimentally infected mice].