InChI=1/C16H17F4N5O2/c17-11-2-1-3-12(8-11)24-14(26)9-23-15(27)22-5-4-13-21-6-7-25(13)10-16(18,19)20/h1-3,6-8H,4-5,9-10H2,(H,24,26)(H2,22,23,27)/f/h22-24H 660EB55311E0E4AC