Showing structure for 5-(acetyloxy)-3-(furan-3-yl)-6-[3-(2-methoxy-2-oxoethyl)-2,2,4-trimethyl-7-oxo-3h-oxepin-4-yl]-3a-methyl-7-methylidene-hexahydroindeno[1,7a-b]oxiren-4-yl 2-methylbutanoate