Synonyms: (7-Amino-2-methyl-3H-phenoxazin-3-ylidene)diethylammoniumchloride (7CI); 3H-Phenoxazin-7-amine, N,N-diethyl-3-imino-8-methyl-,monohydrochloride; 3H-Phenoxazine, 7-(diethylamino)-3-imino-8-methyl-,monohydrochloride (8CI); Brilliant Cresyl Blue (6CI); Phenoxazin-5-ium,7-amino-3-(diethylamino)-2-methyl-, chloride (9CI); Bright Cresol Blue