3765140 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3765140 > 2 > ChemIDplus > 071550237 > 71550-23-7 Benzenesulfonic acid, 4-(((4-((4-(ethyl(phenylmethyl)amino)phenyl)azo)phenyl)sulfonyl)amino)-, monosodium salt > 71550-23-7 > 071550237 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=071550237 $$$$