InChI=1/C20H18N2O4/c1-13-6-3-4-9-18(13)22-19(23)16(12-21)10-15-7-5-8-17(11-15)26-14(2)20(24)25/h3-11,14H,1-2H3,(H,22,23)(H,24,25)/p-1/b16-10-/t14-/m1/s1/fC20H17N2O4/h23H/q-1/b16-10-,22-19? 0E5172F5787CEEE8