Synonyms: 1,5-Naphthalenedisulfonicacid, 3-[(2-acetamido-4-aminophenyl)azo]- (6CI,8CI); 1,5-Naphthalenedisulfonicacid, 3-[[2-(acetylamino)-4-aminophenyl]azo]- (9CI);3-(2-Acetylamino-4-aminophenylazo)-1,5-naphthalenedisulfonic acid;3-[(2-Acetamido-4-aminophenyl)azo]-1,5-naphthalenedisulfonic acid;6-(2-Acetamido-4-aminophenylazo)-1,8-naphthalenedisulfonic acid