InChI=1/C14H16O4/c15-13-3-1-2-6-14(13,16)8-10-4-5-11-12(7-10)18-9-17-11/h4-5,7,16H,1-3,6,8-9H2/t14-/m1/s1 5D05914EE2D87BDC