Synonyms: (4R,6R,7E,10Z)-2,3,3aβ,4,5,6,9,11aα-Octahydro-3-methylene-6-hydroxy-2,9-dioxo-4-(2-methylpropanoyloxy)-6,10-dimethylcyclodeca[b]furan;2-Methylpropanoic acid (3aR,4R,6R,7E,10Z,11aR)-2,3,3a,4,5,6,9,11a-octahydro-6-hydroxy-6,10-dimethyl-3-methylene-2,9-dioxocyclodeca[b]furan-4-yl ester;Tagitinin C