InChI=1/C13H10ClFN2O3/c14-9-2-1-3-10(15)8(9)6-11-16-7(5-13(19)20)4-12(18)17-11/h1-4H,5-6H2,(H,19,20)(H,16,17,18)/p-1/fC13H9ClFN2O3/h16H/q-1 DC22D0E3EA60EC80