Synonyms: 1,3,3-trimethyl-2-[[methyl(p-tolyl)hydrazono]methyl]-3H-indolium acetate;1,3,3-trimethyl-2-[[methyl(4-methylphenyl)hydrazono]methyl]-3h-indoliu acetate;3H-Indolium, 1,3,3-trimethyl-2-[[methyl(4-methylphenyl)hydrazono] methyl]-, acetate;3H-Indolium,1,3,3-trimethyl-2-[[methyl(4-methylphenyl)hydrazono] methyl]-,acetate