Synonyms: C(14a)-Homo-26-norgammacer-7-en-3-one,21a-hydroxy- (7CI);C(14a)-Homo-27-norgammacer-14-en-21-one, 3-hydroxy-, (3b)-; C(14a)-Homo-27-norgammacer-14-en-21-one, 3b-hydroxy- (8CI); 3-Hydroxyserraten-21-one;3H-Cyclohepta[1,2-a:5,4-a']dinaphthalen-3-one,1,2,4,4a,5,7,7a,8,9,9a,10,11,12,13,13a,13b,14,15,15a,15b-eicosahydro-11-hydroxy-4,4,7a,10,10,13a,15b-heptamethyl-,[4aR-(4aa,7aa,9ab,11a,13aa,13bb,15aa,15bb)]-; 3b-Hydroxyserrat-14-en-21-one;Cathaya F