3768288 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3768288 > 2 > ChemIDplus > 073545218 > 2,7-Naphthalenedisulfonic acid, 3,3'-(iminobis(4,1-phenyleneazo))bis(5-(benzoylamino)-4-hydroxy- 73545-21-8 > 73545-21-8 > 073545218 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=073545218 $$$$