PiperidinesDose-Response Relationship, DrugDopamine AntagonistsExcitatory Amino Acid AntagonistsMuscarinic AntagonistsRats, Sprague-DawleyRadioligand AssayNeurokinin-1 Receptor AntagonistsPurinergic P1 Receptor AntagonistsAdrenergic alpha-1 Receptor AntagonistsNarcotic AntagonistsNicotinic AntagonistsBinding, CompetitiveHormone AntagonistsAdenosine A2 Receptor AntagonistsPurinergic P2 Receptor AntagonistsPirenzepineAdrenergic alpha-AntagonistsRats, WistarReceptors, SerotoninNaltrexoneReceptors, EndothelinGABA AntagonistsGuinea PigsHistamine H2 AntagonistsXanthinesReceptors, Purinergic P1Receptors, Adrenergic, alpha-1Histamine AntagonistsInterleukin 1 Receptor Antagonist ProteinAdenosine A3 Receptor AntagonistsReceptors, MuscarinicPurinergic P2X Receptor AntagonistsPyridinesBornanesDioxanesReceptors, TachykininReceptor, Endothelin AReceptors, Neuropeptide YReceptors, N-Methyl-D-AspartatePrazosinIndolesReceptors, Adrenergic, betaPurinergic P1 Receptor AgonistsPropanolaminesAdenosineAdrenergic beta-AntagonistsMuscle, SmoothDiaminesAdrenergic AntagonistsAdrenergic alpha-2 Receptor AntagonistsReceptors, Opioid, deltaReceptor, Endothelin BMuscle ContractionPeptides, CyclicBenzazepinesPyrazolesHistamine H1 AntagonistsGABA-A Receptor AntagonistsReceptors, Opioid, kappaTachykininsAngiotensin Receptor AntagonistsBiphenyl CompoundsYohimbineIodocyanopindololAdrenergic alpha-AgonistsPindololReceptors, NicotinicReceptors, Neurokinin-2Receptor, Muscarinic M3Receptor, Adenosine A2ACHO CellsNeurokinin AReceptors, Dopamine D2QuinoxalinesReceptor, Cannabinoid, CB2Drug InteractionsReceptors, Opioid, muCells, CulturedSerotonin Receptor AgonistsPiperazinesReceptor, Cannabinoid, CB1NeuronsIsoindolesInjections, IntraventricularReceptors, CannabinoidSulfonamidesReceptors, Adrenergic, alphaReceptors, Neurokinin-1PyrrolidinesCalciumCricetinaeReceptors, OpioidTetralonesSerotoninCapsaicinSubstance PSerotonin 5-HT2 Receptor AntagonistsLigandsReceptors, Prostaglandin E, EP1 Subtype