Drug Inverse AgonismCarbolinesSerotonin 5-HT2 Receptor AgonistsReceptor, Cannabinoid, CB1Histamine AgonistsSerotonin 5-HT2 Receptor AntagonistsPiperidinesGABA-A Receptor AgonistsGuanosine 5'-O-(3-Thiotriphosphate)Adrenergic beta-2 Receptor AntagonistsReceptors, Histamine H3LigandsDopamine AgonistsCannabinoid Receptor AgonistsRadioligand AssayBornanesPyrazolesReceptor, Serotonin, 5-HT2CGABA AgonistsReceptors, Adrenergic, beta-2Serotonin Receptor AgonistsSerotonin AntagonistsCHO CellsDose-Response Relationship, DrugCannabinoidsReceptor, Cannabinoid, CB2FlumazenilCricetinaeHistamine AntagonistsReceptors, Opioid, deltaReceptors, GABA-ACyclohexanolsReceptors, CannabinoidCannabinoid Receptor AntagonistsReceptor, Serotonin, 5-HT2AAdrenergic AgonistsCyclic AMPReceptors, Opioid, muNaphthalenesAdrenergic beta-AgonistsBinding, CompetitiveReceptors, SerotoninCOS CellsBenzodiazepinesNarcotic AntagonistsMethylhistaminesBenzomorphansAdrenergic alpha-1 Receptor AgonistsHistamine H3 AntagonistsReceptors, G-Protein-CoupledPropanolaminesReceptors, Dopamine D2Enkephalin, LeucineCricetulusBenzylidene CompoundsRats, Sprague-DawleyTetrahydronaphthalenesDronabinolBenzoxazinesPurinergic P1 Receptor AgonistsReceptor, Serotonin, 5-HT1BNaltrexoneReceptors, DrugAdrenergic beta-2 Receptor AgonistsGTP-Binding ProteinsCell LineMuscarinic AgonistsPyridinesReceptor, Serotonin, 5-HT2BTransfectionImidazolesNicotinic AgonistsSignal Transduction2,5-Dimethoxy-4-MethylamphetamineInositol PhosphatesConvulsantsErgolinesReceptors, Serotonin, 5-HT4Adrenergic alpha-2 Receptor AgonistsAdrenergic alpha-2 Receptor AntagonistsCells, CulturedBehavior, AnimalReceptor, Melanocortin, Type 4MorpholinesNaloxoneGABA ModulatorsIndolesCatalepsyReceptors, Adrenergic, beta-1Receptors, Serotonin, 5-HT1Protein BindingSerotonin 5-HT1 Receptor AgonistsAdenylate CyclaseDiazepamReceptors, GhrelinEnkephalin, D-Penicillamine (2,5)-Purinergic P2 Receptor AgonistsButaclamolSulfur RadioisotopesStructure-Activity Relationship