3729897 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3729897 > 2 > ChemIDplus > 006222442 > 2,7-Naphthalenedisulfonic acid, 4-amino-6-((5-chloro-2-hydroxyphenyl)azo)-5-hydroxy-, disodium salt 2,7-Naphthalenedisulfonic acid, 5-amino-3-((5-chloro-2-hydroxyphenyl)azo)-4-hydroxy-, disodium salt 6222-44-2 > 6222-44-2 > 006222442 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=006222442 $$$$