1-Phenanthrenecarboxylic acid, 1,2,3,4,4a,9,10,10a-octahydro-1,4a-dimethyl-7-(1-methylethyl)-,methyl ester, (1R-(1alpha,4abeta,10aalpha))- (9CI) 1235-74-1 METHYL DEHYDROABIETATE Methyl 8,11,13-abietatrien-18-oate Methyl dehydroabietyate NSC 146198 NSC 81596 Podocarpa-8,11,13-trien-15-oic acid, 13-isopropyl-, methyl ester (8CI)