3772827 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3772827 > 2 > ChemIDplus > 083221629 > 83221-62-9 EINECS 280-240-2 Potassium sodium 7,7'-(carbonyldiimino)bis(4-hydroxy-3-((2-methylphenyl)azo)naphthalene-2-sulphonate) > 83221-62-9 > 083221629 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=083221629 $$$$