Synonyms: 1-Phenanthrenecarboxylicacid, 1,2,3,4,4a,9,10,10a-octahydro-1,4a-dimethyl-7-(1-methylethyl)-, [1R-(1a,4ab,10aa)]-; Abietic acid, dehydro- (6CI); Podocarpa-8,11,13-trien-15-oic acid,13-isopropyl- (7CI,8CI); (+)-Dehydroabietic acid; Abieta-8,11,13-trien-18-oicacid; Dehydroabietic acid; NSC 2952