3772815 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3772815 > 2 > ChemIDplus > 083221492 > 4,4'-(Carbonylbis(imino(5-methoxy-2-methyl-p-phenylene)azo))bis(5-hydroxynaphthalene-2,7-disulphonic) acid, lithium sodium salt 83221-49-2 EINECS 280-227-1 > 83221-49-2 > 083221492 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=083221492 $$$$