3729631 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3729631 > 2 > ChemIDplus > 005598185 > 2,8-Naphthlenedisulfonic acid, 4-amino-5-hydroxy-6-(o-tolylazo)- 5598-18-5 7,2'-Methylphenylazo-1-amino-8-naphthol-3,6-disulfonic acid > 5598-18-5 > 005598185 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=005598185 $$$$