3767335 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3767335 > 2 > ChemIDplus > 072894258 > 2,7-Naphthalenedisulfonic acid, 5-((2,4-dihydroxy-3,5-bis((4-nitrophenyl)azo)phenyl)azo)-4-hydroxy-3-((4-nitrophenyl)azo)-, disodium salt 5-((3,5-Bis((4-nitrophenyl)azo)-2,4-dihydroxyphenyl)azo)-4-hydroxy-3-((4-nitrophenyl)azo)-2,7-naphthalenedisulfonic acid, disodium salt 72894-25-8 > 72894-25-8 > 072894258 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=072894258 $$$$