Synonyms: Cerin(6CI); D:A-Friedooleanan-3-one, 2-hydroxy-, (2a)-; D:A-Friedooleanan-3-one, 2a-hydroxy- (8CI); 2a-Hydroxyfriedelan-3-one;3(2H)-Picenone, eicosahydro-2-hydroxy-4,4a,6b,8a,11,11,12b,14a-octamethyl-,(2R,4R,4aS,6aS,6bR,8aR,12aR,12bS,14aS,14bS)-; NSC 115909