.DELTA.6,8(14)-Abietadienoic acid .beta.-Pimaric acid 1-Phenanthrenecarboxylic acid, 1,2,3,4,4a,4b,5,9,10,10a-decahydro-1,4a-dimethyl-7-(1-methylethyl)-, [1R-(1.alpha.,4a.beta.,4b.alpha.,10a.alpha.)]- 79-54-9 LEVOPIMARIC ACID NSC4827 Podocarpa-8(14),12-dien-15-oic acid, 13-isopropyl- l-Pimaric acid l-Sapietic acid