3773508 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3773508 > 2 > ChemIDplus > 083817394 > 83817-39-4 EINECS 280-940-8 Tetrasodium 4,4'-bis((2-methoxy-5-methyl-4-((3-sulphonatophenyl)azo)phenyl)-O,N,N-azoxy)stilbene-2,2'-disulphonate > 83817-39-4 > 083817394 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=083817394 $$$$