InChI=1/C21H28N6O/c1-3-27(4-2)20-12-11-16(14-23-20)15-24-21(28)22-13-7-10-19-25-17-8-5-6-9-18(17)26-19/h5-6,8-9,11-12,14H,3-4,7,10,13,15H2,1-2H3,(H,25,26)(H2,22,24,28)/p+1/fC21H29N6O/h22-25H/q+1 AC3BB61886C41CB4