2381-85-3 5-Amino-9-(diethylamino)benzo(a)phenoxazin-7-ium perchlorate 53340-16-2 71123-96-1 BENZO(a)PHENOXAZIN-7-IUM, 5-AMINO-9-(DIETHYLAMINO)-, PERCHLORATE CCRIS 4972 EINECS 258-489-3 Nile Blue A perchlorate Nile Blue perchlorate Nile blue 690 perchlorate