AdenosinePurinesReceptor, Adenosine A2AReceptor, Adenosine A1Purine NucleotidesPurinergic P1 Receptor AgonistsAdenosine DeaminaseAdenosine A2 Receptor AgonistsAdenosine A1 Receptor AgonistsReceptor, Adenosine A3Purine NucleosidesReceptors, Purinergic P1Receptor, Adenosine A2BAdenosine KinaseReceptors, Adenosine A2Adenosine A2 Receptor AntagonistsAdenosine A1 Receptor AntagonistsSerotonin Receptor AgonistsDopamine AgonistsXanthinesPurinergic P1 Receptor AntagonistsSerotonin 5-HT1 Receptor AgonistsAdenosine A3 Receptor AgonistsSerotonin 5-HT2 Receptor AgonistsAdenosine-5'-(N-ethylcarboxamide)Adenosine MonophosphatePhenethylaminesInosinePurine-Nucleoside PhosphorylaseDose-Response Relationship, DrugReceptors, PurinergicGABA AgonistsPurinergic P2 Receptor AgonistsGABA-A Receptor AgonistsGABA-B Receptor AgonistsCannabinoid Receptor AgonistsSerotonin 5-HT4 Receptor AgonistsRats, Sprague-DawleyCyclic AMPTheophyllineHypoxanthine2-ChloroadenosinePhenylisopropyladenosineAdrenergic alpha-2 Receptor AgonistsAdenosine A3 Receptor AntagonistsHypoxanthinesReceptors, Opioid, kappaHistamine Agonists5'-NucleotidaseAdenineMuscarinic AgonistsRats, WistarReceptors, Opioid, muReceptors, Dopamine D2Serotonin AntagonistsAdenine NucleotidesTubercidin2,3,4,5-Tetrahydro-7,8-dihydroxy-1-phenyl-1H-3-benzazepineCells, CulturedAdrenergic AgonistsKineticsBaclofenAdrenergic beta-3 Receptor AgonistsRadioligand AssayQuinpiroleNicotinic AgonistsReceptors, Opioid, deltaReceptors, Dopamine D1Guinea PigsExcitatory Amino Acid AgonistsPiperidinesTheobromineCalciumAdrenergic beta-AgonistsBenzazepinesPentosyltransferases8-Hydroxy-2-(di-n-propylamino)tetralinReceptors, Purinergic P2Enkephalin, Ala(2)-MePhe(4)-Gly(5)-Adrenergic alpha-AgonistsCannabinoidsAdrenergic alpha-1 Receptor AgonistsPyrrolidinesNucleosidesInosine MonophosphateReceptors, OpioidTriazinesPurinergic P2Y Receptor AgonistsAdenosine TriphosphatasesMuscimolSerotoninGuanosineNucleoside DeaminasesReceptors, SerotoninSignal TransductionDeoxyadenosinesNaphthalenesPurinergic AgonistsCholinergic AgonistsCoformycin