Showing structure for (2s,2's,3r,3as,4's,4'ar,6s,7ar,8'ar)-3,3a-dihydroxy-2-methoxy-2',5',5',8'a-tetramethyl-decahydro-2h,2'h-spiro[furo[2,3-b]pyran-6,1'-naphthalen]-4'-yl acetate