3729998 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3729998 > 2 > ChemIDplus > 006420366 > 6420-36-6 Benzenesulfonic acid, 3,3'-(carbonylbis(imino(5-methoxy-2-methyl-4,1-phenylene)azo))bis(5-((3-aminobenzoyl)amino)-4-methyl-, disodium salt > 6420-36-6 > 006420366 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=006420366 $$$$