InChI=1/C10H7F3N4O2/c11-10(12,13)5-1-3-6(4-2-5)14-7-8(18)15-9(19)17-16-7/h1-4H,(H,14,16)(H2,15,17,18,19)/f/h14-15,17H 6536B12FFA44B100