InChI=1/C20H28N8O/c1-14-4-2-3-5-16(14)23-20-25-17(24-19(21)26-20)12-27-8-10-28(11-9-27)13-18(29)22-15-6-7-15/h2-5,15H,6-13H2,1H3,(H,22,29)(H3,21,23,24,25,26)/p+1/fC20H29N8O/h22-23,27H,21H2/q+1 CD8A7E2B171EFF93