92448-91-4 2,7-Naphthalenedisulfonic acid,4-amino-6-[(4-aminophenyl)azo]-3-[[4-[[2,4-diamino-5-(2-hydroxyethoxy)phenyl]azo]phenyl]azo]-5-hydroxy-, disodium salt
92448-83-4 2,7-Naphthalenedisulfonic acid,4-amino-6-[(4-aminophenyl)azo]-3-[[4-[[2,4-diamino-5-[bis(2-hydroxyethyl)amino]phenyl]azo]phenyl]azo]-5-hydroxy-, disodium salt