InChI=1/C20H20F2N4O2/c1-26-12-10-23-19(26)18(14-6-2-3-7-15(14)21)25-20(27)24-11-13-28-17-9-5-4-8-16(17)22/h2-10,12,18H,11,13H2,1H3,(H2,24,25,27)/t18-/m0/s1/f/h24-25H 4CD707EA2383172D