InChI=1/C20H19NO5/c1-26-20(25)16-10-12-6-2-3-7-13(12)11-17(16)21-18(22)14-8-4-5-9-15(14)19(23)24/h2-7,10-11,14-15H,8-9H2,1H3,(H,21,22)(H,23,24)/p-1/t14-,15-/m1/s1/fC20H18NO5/h21H/q-1 05F6F5C0C10C0D21