3772817 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3772817 > 2 > ChemIDplus > 083221516 > 2-Naphthalenesulfonic acid, 7,7'-(carbonyldiimino)bis(4-hydroxy-3-((2-sulfo-4-((4-sulfophenyl)azo)phenyl)azo)-, potassium sodium salt 7,7'-(Carbonyldiimino)bis(4-hydroxy-3-((2-sulpho-4-((4-sulphophenyl)azo)phenyl)azo)naphthalene-2-sulphonic) acid, potassium sodium salt 83221-51-6 EINECS 280-229-2 > 83221-51-6 > 083221516 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=083221516 $$$$