InChI=1/C12H9F3N2O3/c13-7-3-9(15)10(4-8(7)14)17-5-6(1-2-18)11(16-17)12(19)20/h3-5,18H,1-2H2,(H,19,20)/p-1/fC12H8F3N2O3/q-1 315926E7074F4711