InChI=1/C18H15F3N4O3/c1-11-15(17(28-25-11)23-10-12-6-8-22-9-7-12)16(26)24-13-2-4-14(5-3-13)27-18(19,20)21/h2-9,23H,10H2,1H3,(H,24,26)/f/h24H D88FAD9F4D444F52