Showing structure for methyl 2-[(1r)-2-[(1as,3s,3ar,4r,5s,6r,7as)-4,5-bis(acetyloxy)-3-(furan-3-yl)-3a-methyl-7-methylidene-hexahydroindeno[1,7a-b]oxiren-6-yl]-6,6-dimethyl-5-oxocyclohex-3-en-1-yl]acetate