InChI=1/C20H26N4O2/c1-12-9-10-17-16(11-12)14-7-4-8-15(18(14)22-17)19(25)23-24-20(26)21-13-5-2-3-6-13/h4,7-8,12-13,22H,2-3,5-6,9-11H2,1H3,(H,23,25)(H2,21,24,26)/t12-/m0/s1/f/h21,23-24H F6DC22AC1FCBCB0D