3772903 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3772903 > 2 > ChemIDplus > 083249552 > 83249-55-2 EINECS 280-325-4 Tetrasodium 2,2'-((carbonyldiimino)bis((2-acetamido-4,1-phenylene)azo))bis(5-((4-sulphonatophenyl)azo)benzenesulphonate) > 83249-55-2 > 083249552 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=083249552 $$$$