InChI=1/C21H34N4O2/c1-16(2)25(14-20(22)26)15-21(27)23-12-18-4-6-19(7-5-18)13-24-10-8-17(3)9-11-24/h4-7,16-17H,8-15H2,1-3H3,(H2,22,26)(H,23,27)/p+2/fC21H36N4O2/h23-25H,22H2/q+2 4A4EF7DE23E4C31B