InChI=1/C20H28N6O/c21-14-16-3-6-22-19(13-16)26-11-9-24(10-12-26)15-20(27)23-17-4-7-25(8-5-17)18-1-2-18/h3,6,13,17-18H,1-2,4-5,7-12,15H2,(H,23,27)/p+1/fC20H29N6O/h23,25H/q+1 6FC547CB2872B3BB