808139-69-7

2,7-Naphthalenedisulfonic acid,4-hydroxy-5-[[2-hydroxy-4-[[3-hydroxy-4-[[4-[(4-nitro-2-sulfophenyl)amino]phenyl]azo]phenyl]amino]phenyl]azo]-3-[(4-methoxyphenyl)azo]-, lithiumsodium salt