Showing structure for (1r,3s,5as,7s,9r,9ar,9br)-1,3-dimethoxy-7,9a-dimethyl-6-methylidene-5-oxo-1h,3h,5ah,7h,8h,9h,9bh-naphtho[1,2-c]furan-9-yl (2e)-3-phenylprop-2-enoate