1,5-Naphthalenedisulfonic acid,3-[[4-[[7-[(2,6-diamino-3-pyridinyl)azo]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]-2,5-dimethoxyphenyl]azo]-, trisodium salt
138089-07-3 1,5-Naphthalenedisulfonic acid,3-[[4-[[7-[(2,6-diamino-3-pyridinyl)azo]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]-2,5-dimethoxyphenyl]azo]-, trisodium salt