2-Naphthalenesulfonic acid, 4-hydroxy-7-((((5-hydroxy-6-(2-(2-methylphenyl)diazenyl)-7-sulfo-2-naphthalenyl)amino)carbonyl)amino)-3-(2-(6-sulfo-2-naphthalenyl)diazenyl)-, sodium salt (1:3)HCID 73035CAS 6460-01-1 · C38H25N6Na3O12S3
