3765205 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3765205 > 2 > ChemIDplus > 071598157 > 1,3-Naphthalenedisulfonic acid, 7,7'-(carbonylbis(imino-4,1-phenyleneazo))bis-, tetrasodium salt 71598-15-7 > 71598-15-7 > 071598157 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=071598157 $$$$