InChI=1/C12H9F3N2O3S/c13-12(14,15)9-4-2-1-3-8(9)7-21(19,20)11-6-5-10(18)16-17-11/h1-6H,7H2,(H,16,18)/p-1/fC12H8F3N2O3S/q-1 9475E3D1DE0AF27D