InChI=1/C20H23FN4O2/c21-16-3-1-14(2-4-16)15-11-18-17(19(27)12-15)13-22-20(23-18)25-7-5-24(6-8-25)9-10-26/h1-4,13,15,26H,5-12H2/t15-/m1/s1 39CF6A638E087E0B