95713-95-4 | 2,7-Naphthalenedisulfonic acid, 4-amino-6-4-4-(2,4-diaminophenyl)azophenylaminosulfonylphenylazo-5-hydroxy-3-(4-nitrophenyl)azo-, dilithium salt | 2,7-Naphthalenedisulfonic acid, 4-amino-6-4-4-(2,4-diaminophenyl)azophenylaminosulfonylphenylazo-5-hydroxy-3-(4-nitrophenyl)azo-, dilithium salt |