InChI=1/C21H22N2O5/c1-21(2,3)14-5-7-16-18(9-14)28-19(11-25-16)20(24)23-22-10-13-4-6-15-17(8-13)27-12-26-15/h4-10,19H,11-12H2,1-3H3,(H,23,24)/b22-10-/t19-/m1/s1/f/h23H D0588D1F1AA090D2