Showing structure for methyl 3-[7-(2-hydroxypropan-2-yl)-3a,6,9b-trimethyl-3-[1-(5-methyl-6-oxo-2,3-dihydropyran-2-yl)ethyl]-1h,2h,3h,4h,5h,7h,8h,9h-cyclopenta[a]naphthalen-6-yl]propanoate