1,2-Dimethyl-3,5-diphenyl-1H-pyrazolium 1,2-Dimethyl-3,5-diphenylpyrazolium ion 1H-Pyrazolium, (1,2-dimethyl-3,5-diphenyl)- 1H-Pyrazolium, 1,2-dimethyl-3,5-diphenyl- (9CI) 49866-87-7 DIFENZOQUAT Difenzoquat [ANSI:BSI:ISO] EINECS 256-505-3