3767369 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3767369 > 2 > ChemIDplus > 072906173 > 3-((2,4-Dihydroxy-5-((4-nitro-2-sulfophenyl)azo)phenyl)azo)-4-methoxybenzenesulfonic acid, disodium salt 72906-17-3 Benzenesulfonic acid, 2-((2,4-dihydroxy-5-((2-methoxy-5-sulfophenyl)azo)phenyl)azo)-5-nitro-, disodium salt > 72906-17-3 > 072906173 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=072906173 $$$$