1,3,3-Trimethyl-2-((methyl-2-naphthylhydrazono)methyl)-3H-indoliumchloride 38936-33-3 3H-1,3,3-Trimethyl-2-((2-(2-naphthalyl)-2-methylhydrazinyl)methylidene)ndolium chloride 3H-Indolium, 1,3,3-trimethyl-2-((methyl-2-naphthalenylhydrazono)methyl)-, chloride EINECS 254-197-5