Synonyms: D:C-Friedoolean-8-en-29-oicacid, 3-oxo- (8CI); D:C-Friedoolean-8-en-29-oic acid, 3-oxo-, (20a)-; Bryononic acid; [2R-(2a,4ab,6ab,8aa,12ab,14aa,14bb)]-1,2,3,4,4a,5,6,6a,7,8,8a,9,10,11,12,12a,13,14,14a,14b-Eicosahydro-2,4a,6a,9,9,12a,14a-heptamethyl-10-oxo-2-picenecarboxylicacid