73003-72-2

2-NAPHTHALENESULFONIC ACID 3-[(4-ETHOXY-3-SULFOPHENYL)AZO]-4-HYDROXY-7-[[[[5-HYDROXY-7-SULFO-6-[(6-SULFO-2-NAPHTHALENYL)AZO]-2-NAPHTHALENYL]AMINO]CARBONYL]AMINO]-,COMPD. WITH 2,2'-(METHYLIMINO)BIS[ETH