“…Little, if any, metabolism of hexamethonium, or its sulfonium or monoquaternary analogues occurs in the mouse (114). Inoue (88) has provided suggestive evidence for the formation in vivo of the N-glu curonides of histamine by man and rabbits, and Johansson et al (91) have indicated that large doses of chlorpromazine have no effect on the pattern of urinary excretion of histamine and its metabolites by man. Mayer (121) has investigated the fate of dichloroisoproterenol ({3-hydroxy· N -isopropyl-3,4-dichlorophenethylamine), labeled in the {3-position with 3H, in dogs and mice.…”