3766347 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3766347 > 2 > ChemIDplus > 072207999 > 2-Naphthalenesulfonic acid, 6-amino-5-((2-(ethyl(phenylsulfonyl)amino)phenyl)azo)-4-hydroxy-, monosodium salt 72207-99-9 > 72207-99-9 > 072207999 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=072207999 $$$$