Showing structure for methyl (4ar,4br,6ar,6bs,8as,11r,12r,12as,14ar,14br,16as)-12-hydroxy-2,2,4a,6a,6b,11,12,14b-octamethyl-4h,4bh,5h,6h,7h,8h,9h,10h,11h,12ah,14h,14ah,15h,16h,16ah-piceno[3,4-d][1,3]dioxine-8a-carboxylate