3734748 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3734748 > 2 > ChemIDplus > 016680481 > 16680-48-1 EINECS 240-728-8 Estra-1,3,5,7,9-pentaen-17-one, 3-(sulfooxy)-, sodium salt > 16680-48-1 > 016680481 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=016680481 $$$$