BurimamideHistamineMetiamideThioureaHistamine H1 AntagonistsReceptors, HistamineHistamine AntagonistsReceptors, Histamine H2Receptors, Histamine H3Receptors, Histamine H1TripelennamineHistamine ReleaseMethylhistaminesPyrilamineHistamine AgonistsHistamine H2 AntagonistsHistamine N-MethyltransferaseReceptors, DrugGuinea PigsImidazolesHeart AtriaHistidine DecarboxylaseDimaprit