InChI=1/C12H8ClFN2O3/c1-6-4-10(17)11(12(18)19)15-16(6)7-2-3-9(14)8(13)5-7/h2-5H,1H3,(H,18,19)/p-1/fC12H7ClFN2O3/q-1 36DD231A9BBCADD9