InChI=1/C20H28N4O2/c1-23-15-18(16-9-4-5-10-17(16)19(23)25)22-20(26)21-11-8-14-24-12-6-2-3-7-13-24/h4-5,9-10,15H,2-3,6-8,11-14H2,1H3,(H2,21,22,26)/p+1/fC20H29N4O2/h21-22,24H/q+1 D8B547A200B53D57