Synonyms: 1-Phenanthrenecarboxylicacid, 7-(carboxymethylene)tetradecahydro-9-hydroxy-1,4a,8-trimethyl-10-oxo-,1-methyl ester, [1S-(1a,4aa,4bb,7E,8b,8aa,9a,10ab)]-; Podocarpan-16-oic acid, 13-(carboxymethylene)-7b-hydroxy-14a-methyl-6-oxo-, 16-methyl ester(8CI); Cassminic acid; Erythrosuamic acid