InChI=1/C19H15ClN2O4/c20-14-5-3-13(4-6-14)18(23)12-17(19-2-1-11-26-19)21-15-7-9-16(10-8-15)22(24)25/h1-11,17,21H,12H2/t17-/m0/s1 3450DD9EFF9A0E40