Synonyms: D:A-Friedooleanan-29-oicacid, 2-hydroxy-3-oxo-, (2a,20a)-; 2-Picenecarboxylic acid,docosahydro-11-hydroxy-2,4a,6a,8a,9,12b,14a-heptamethyl-10-oxo-,(2R,4aS,6aR,6bS,8aS,9R,11R,12aS,12bS,14aS,14bR)-; 2a-Hydroxymaytenonic acid; 2a-Hydroxypopulnonic acid; Wilforic acid C