1,3,3-Trimethyl-2-((methylphenylhydrazono)methyl)-3H-indolium chloride 3H-Indolium, 1,3,3-trimethyl-2-((methylphenylhydrazono)methyl)-, chloride 55850-01-6 Ammonium, methylphenyl(((1,3,3-trimethylindolin-2-ylidene)methyl)imido)-, chloride EINECS 259-858-1