Showing structure for 4-[5-(acetyloxy)-6,6,9a-trimethyl-1-oxo-3h,4h,5h,5ah,7h,8h,9h-naphtho[1,2-c]furan-4-yl]-6,6,9a-trimethyl-1-oxo-3h,4h,5h,5ah,7h,8h,9h-naphtho[1,2-c]furan-5-yl acetate