InChI=1S/C21H21FN4O2/c22-15-4-6-16(7-5-15)26-21(23)19(13-25-26)20(27)14-2-1-3-18(12-14)28-17-8-10-24-11-9-17/h1-7,12-13,17,24H,8-11,23H2