Synonyms: ent-16beta,17-Dihydroxy-19-kauranoic acid;Kauran-18-oicacid, 16,17-dihydroxy- (7CI,8CI);1H-2,10a-Ethanophenanthrene, kauran-18-oicacid deriv.;(-)-16,17-Dihydroxy-16b-kauran-19-oic acid;16,17-Dihydroxy-16b-(-)-kauran-19-oic acid;16a,17-Hydroxy-(-)-kauran-19-oic acid;16b,17-Dihydroxy-ent-kauran-19-oicacid;ent-16,17-Dihydroxykauran-19-oic acid;ent-16b,17-Dihydroxykauran-19-oic acid;E-16α,17-Dihydroxykauran-19-oic acid;