Synonyms: (1S)-7α-Ethyl-1,2,3,4,4a,5,6,7,8,9,10,10aα-dodecahydro-1,4aβ,7-trimethyl-1β-phenanthrenecarboxylic acid methyl ester;1-Phenanthrenecarboxylic acid, 7-ethyl-1,2,3,4,4A,5,6,7,8,9,10,10A-dodecahydro-1,4A,7-trimethyl-, methyl ester, [1S-(1.alpha.,4A.alpha.,7.beta.,10A.beta.)]-;Methyl 8-isopimaren-18-oate;Nsc149536;Podocarp-8-en-15-oic acid, 13.alpha.-ethyl-13-methyl-, methyl ester