InChI=1S/C21H23FN4O2/c1-11-5-2-3-7-17(11)28-18-8-4-6-12(19(18)27)21-25-15-9-13(20(23)24)14(22)10-16(15)26-21/h4,6,8-11,17,27H,2-3,5,7H2,1H3,(H3,23,24)(H,25,26)/t11-,17-/m0/s1