InChI=1/C16H12F2N2O3/c17-9-5-6-10(12(18)7-9)14(21)8-20-15(22)11-3-1-2-4-13(11)19-16(20)23/h1-7,14,21H,8H2,(H,19,23)/t14-/m1/s1/f/h19H 5E73C52738B5A999