2381-85-3 3625-57-8 5H-Benzo(a)phenazoxazine, 9-(diethylamino)-5-imino-, sulfate (2:1) BENZO(a)PHENOXAZIN-7-IUM, 5-AMINO-9-(DIETHYLAMINO)-, SULFATE (2:1) Bis(5-amino-9-(diethylamino)benzo(a)phenoxazin-7-ium) sulphate EINECS 222-832-5 NSC 3250 NSC 34914 Nile Blue A sulfate Nile Blue sulfate