Synonyms: | 1,3,3-Trimethyl-2-[[(o-nitrophenyl)hydrazono]methyl]-3H-indoliumchloride (6CI); 3H-Indolium, 1,3,3-trimethyl-2-[[(2-nitrophenyl)hydrazono]methyl]-, chloride (9CI); 3H-Indolium,2-formyl-1,3,3-trimethyl-, chloride, (o-nitrophenyl)hydrazone (8CI) |