3767633 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3767633 > 2 > ChemIDplus > 073003686 > 2-Naphthalenesulfonic acid, 6-((2,4-diaminophenyl)azo)-3-((4-((4-((7-((2,4-diamino-5-sulfophenyl)azo)-1-hydroxy-3-sulfo-2-naphthalenyl)azo)-2-sulfophenyl)amino)phenyl)azo)-4-hydroxy-, tetrasodium salt 73003-68-6 > 73003-68-6 > 073003686 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=073003686 $$$$