Showing structure for (1r,3ar,4s,6as)-4-[(4,6-dimethoxy-2h-1,3-benzodioxol-5-yl)oxy]-1-(6-methoxy-2h-1,3-benzodioxol-5-yl)-tetrahydro-1h-furo[3,4-c]furan-3a-yl acetate