InChI=1/C21H24N4O2/c1-21(2,25-10-9-14-5-3-4-6-16(14)12-25)13-22-19(26)15-7-8-17-18(11-15)24-20(27)23-17/h3-8,11H,9-10,12-13H2,1-2H3,(H,22,26)(H2,23,24,27)/f/h22-24H E2BF8888DB21A552