3772843 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3772843 > 2 > ChemIDplus > 083232284 > 2-Naphthalenesulfonic acid, 7,7'-(carbonyldiimino)bis(3-((4-(acetylamino)phenyl)azo)-4-hydroxy-, sodium salt 7,7'-(Carbonyldiimino)bis(3-((4-(acetamido)phenyl)azo)-4-hydroxynaphthalene-2-sulphonic) acid, sodium salt 83232-28-4 EINECS 280-260-1 > 83232-28-4 > 083232284 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=083232284 $$$$