phenothiazines ( chlorpromazine and promethazine ) and antihistaminic quinuclidine derivatives [ phencarol , quinuclidyl-3-di- ( o-tolyl ) carbinol , hydrochloride quinuclidyl-3-di- ( o-methoxyphenyl ) carbinol -- hqmc ] at concentrations preceding the histamine-releasing ones inhibited the compound 48/80-induced histamine release from the isolated rat mast cells .
C0031436
phenothiazines
C0008286
chlorpromazine