3768783 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3768783 > 2 > ChemIDplus > 074398746 > 2-Naphthalenesulfonic acid, 6-amino-3-((2-((ethylphenylamino)sulfonyl)phenyl)azo)-4-hydroxy-, monosodium salt 2-Naphthalenesulfonic acid, 6-amino-3-((2-((ethylphenylamino)sulfonyl)phenyl)azo)-4-hydroxy-, sodium salt 74398-74-6 > 74398-74-6 > 074398746 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=074398746 $$$$