InChI=1/C20H23FN4O2/c1-11(2)18(13-4-6-14(21)7-5-13)22-12(3)19(26)23-15-8-9-16-17(10-15)25-20(27)24-16/h4-12,18,22H,1-3H3,(H,23,26)(H2,24,25,27)/t12-,18-/m1/s1/f/h23-25H DD1519519A670974