97953-01-0

2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-, diazotized, coupled with diazotized 2-[(4-aminophenyl)amino]-5-nitrobenzenesulfonic acid, diazotized 2-chloro-4-nitrobenzenamine and 5,5'-oxybis[1,3-benzenediol], sodium salts