Synonyms: A-Norpregn-8-ene-3-carboxylicacid, 3,14-dimethyl-20-oxo-, (3a,5a)-;Dicyclopenta[a,f]naphthalene-1-carboxylic acid,6-acetyl-1,2,3,3a,4,5,5a,6,7,8,8a,9,10,10a-tetradecahydro-1,3a,5a,8a-tetramethyl-,[1R-(1a,3ab,5ab,6b,8aa,10aa)]-; Phellinic acid