1-[bis(p-Chlorophenyl)methyl]-3-[2,4-dichloro-beta-(2,4-dichlorobenzyloxy)phenethyl] 1H-imidazolium, 3-[bis(4-chlorophenyl)methyl]-1-[2-(2,4-dichlorophenyl)-2-[(2,4-dichlorophenyl) 57265-65-3 calmidazolium chloride imidazolium chloride methoxy]ethyl]-, chloride