18472-89-4 52659-20-8 5H-Benzo(a)phenoxazin-9-amine, 5-imino-N,N,10-trimethyl-, monoperchlorate BENZO(a)PHENOXAZIN-7-IUM, 5-AMINO-9-(DIMETHYLAMINO)-10-METHYL-, PERCHLORATE Cresyl Violet perchlorate