102969-70-0 2,7-Naphthalenedisulfonic acid,3-[[4-[[4-(acetylamino)phenyl]azo]-2-sulfo-5-[(sulfomethyl)amino]phenyl]azo]-6-amino-4-hydroxy-, tetrasodium salt
84583-79-9 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-, diazotized, coupled with diazotized 2-[(4-aminophenyl)amino]-5-nitrobenzenesulfonic acid and resorcinol, potassium salts