3737588 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3737588 > 2 > ChemIDplus > 029267796 > 1,5-Naphthalenedisulfonic acid, 3,3'-(ureylenebis((3-methyl-p-phenylene)azo))di-, tetrasodium salt 29267-79-6 > 29267-79-6 > 029267796 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=029267796 $$$$