AdenosineAdenosine-5'-(N-ethylcarboxamide)Purinergic P1 Receptor AgonistsPhenylisopropyladenosineReceptors, Purinergic P1Receptors, PurinergicPhenethylaminesXanthinesReceptor, Adenosine A3Receptor, Adenosine A2APurinergic P1 Receptor AntagonistsReceptor, Adenosine A1Adenosine A1 Receptor Antagonists2-ChloroadenosineAdenosine A1 Receptor AgonistsAdenosine A2 Receptor AntagonistsReceptor, Adenosine A2BNorbornanesTheophyllineAdenosine DeaminaseAdenosine KinaseReceptors, Adenosine A2Adenosine A2 Receptor AgonistsCyclic AMPDose-Response Relationship, DrugVasodilator AgentsRats, Sprague-DawleyAdenosine MonophosphateDopamine AgonistsAdenosine A3 Receptor AgonistsAdenosine A3 Receptor AntagonistsGABA AgonistsInosine5'-NucleotidaseMuscarinic AgonistsPurinergic P2 Receptor AgonistsTubercidinAdenosine TriphosphatasesAdrenergic AgonistsAdenine NucleotidesNicotinic AgonistsAdrenergic alpha-2 Receptor AgonistsSerotonin 5-HT2 Receptor AgonistsAdrenergic beta-AgonistsHistamine AgonistsSerotonin 5-HT1 Receptor AgonistsCells, CulturedRadioligand AssayNucleoside DeaminasesKineticsTheobromineCalciumDipyridamoleCoformycinRats, WistarGABA-A Receptor AgonistsCholinergic AgonistsAdrenergic alpha-AgonistsGuinea PigsIsoproterenolTriazinesPurinesAdrenergic alpha-1 Receptor AgonistsAdenylate CyclaseExcitatory Amino Acid AgonistsPentostatinSignal TransductionReceptors, Purinergic P2Adenosine PhosphosulfateLigandsAdeninePurinergic AntagonistsThioinosinePurinergic AgonistsCannabinoid Receptor AgonistsReceptors, Opioid, muBinding, CompetitiveCell LineColforsinAdrenergic beta-3 Receptor AgonistsTime FactorsReceptors, Opioid, kappaTriazolesReceptors, Dopamine D2CricetinaeAminophyllineDeoxyadenosinesMice, Inbred C57BLGABA-B Receptor AgonistsCHO CellsCarbacholReceptors, Opioid, deltaSerotonin 5-HT4 Receptor AgonistsNucleoside Transport ProteinsReceptors, Adrenergic, betaRabbitsNorepinephrineMyocardiumBucladesineNucleotidases