InChI=1/C20H25FN4O2/c1-14-6-4-9-17(10-14)24-20(27)23-13-19(26)22-12-18(25(2)3)15-7-5-8-16(21)11-15/h4-11,18H,12-13H2,1-3H3,(H,22,26)(H2,23,24,27)/t18-/m1/s1/f/h22-24H BF412332E47BE754