Propanoicacid, 2-methyl-,2,3,3a,4,5,6,7,8,9,12,13,13a-dodecahydro-7,13a-dihydroxy-2,9,9,12-tetramethyl-5-methylene-8,13-dioxo-3-(1-oxopropoxy)-1H-cyclopentacyclododecene-4,6-diylester, [2S-(2R*,3R*,3aS*,4S*,6R*,7S*,10E,12R*,13aS*)]-