nile blue perchlorate; Nile Blue 690 perchlorate; [9-(diethylamino)benzo[a]phenoxazin-5-ylidene]azanium,perchlorate; 5-Amino-9-(diethylamino)benzo(a)phenoxazin-7-ium perchlorate; BENZO(a)PHENOXAZIN-7-IUM,5-AMINO-9-(DIETHYLAMINO)-,PERCHLORATE; OXAZINE 725