Receptors, NicotinicHormone AntagonistsDopamine AntagonistsExcitatory Amino Acid AntagonistsNeurokinin-1 Receptor AntagonistsNarcotic AntagonistsHistamine H2 AntagonistsInterleukin 1 Receptor Antagonist ProteinMuscarinic AntagonistsDose-Response Relationship, DrugGABA AntagonistsHistamine H1 AntagonistsPurinergic P1 Receptor AntagonistsPiperidinesRats, Sprague-DawleyHistamine AntagonistsNicotinic AntagonistsAdenosine A2 Receptor AntagonistsAdrenergic alpha-1 Receptor AntagonistsPurinergic P2 Receptor AntagonistsSerotonin 5-HT3 Receptor AntagonistsSerotonin 5-HT2 Receptor AntagonistsAdenosine A1 Receptor AntagonistsLeukotriene AntagonistsAngiotensin Receptor AntagonistsRats, WistarAdrenergic alpha-2 Receptor AntagonistsAdrenergic AntagonistsGABA-A Receptor AntagonistsAdrenergic alpha-AntagonistsHistamine H3 Antagonists