2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-, diazotized, coupled with diazotized 2-[(4-aminophenyl)azo]-5-nitrobenzenesulfonic acid, diazotized 4-methoxybenzenamine and 5,5'-[(5-hydroxy-1,3-phenylene)bis(oxy)]bis[1,3-benzenediol], sodium salts [979
CAS No. 97953-07-6