3743475 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3743475 > 2 > ChemIDplus > 052475204 > (20beta)-2,3-Bis(acetyloxy)-D:A-friedo-24,30-dinoroleana-1,3,5(10),7-tetraen-21-one 52475-20-4 D:A-Friedo-24,30-dinoroleana-1,3,5(10),7-tetraen-21-one, 2,3-bis(acetyloxy)-, (20beta)- > 52475-20-4 > 052475204 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=052475204 $$$$