1,2,3,4,4a,9,10,10a-Octahydro-1,4a-dimethyl-7-(1-methylethyl)-1-phenanthrenecarboxylic acid, methyl ester 1-Phenanthrenecarboxylic acid, 1,2,3,4,4a,9,10,10a-octahydro-1,4a-dimethyl-7-(1-methylethyl)-, methyl ester, [1R-(1.alpha.,4a.beta.,10a.alpha.)]- 1235-74-1 Methyl 8,11,13-abietatrien-18-oate Methyl dehydroabietate NSC146198 Podocarpa-8,11,13-trien-15-oic acid, 13-isopropyl-, methyl ester