Synonyms: 1-Phenanthrenecarboxylicacid, 7-ethenyl-1,2,3,4,4a,4b,5,6,7,8,10,10a-dodecahydro-1,4a,7-trimethyl-,methyl ester, [1R-(1a,4ab,4ba,7a,10aa)]-; Isopimaric acid, methylester (6CI); Podocarp-7-en-15-oic acid, 13b-methyl-13-vinyl-, methyl ester (7CI,8CI); Isopimaricacid methyl ether; Methyl isopimarate