140399-17-3

2,7-Naphthalenedisulfonic acid,3-[[4-[[[4-[[6-(acetylamino)-1-hydroxy-3-sulfo-2-naphthalenyl]azo]-3-sulfophenyl]amino]carbonyl]phenyl]azo]-5-amino-4-hydroxy-6-[(4-sulfophenyl)azo]-