InChI=1/C21H34N4O3/c1-15(2)25(7)20(28)17-10-8-16(9-11-17)12-22-18(26)13-24(6)14-19(27)23-21(3,4)5/h8-11,15H,12-14H2,1-7H3,(H,22,26)(H,23,27)/p+1/fC21H35N4O3/h22-24H/q+1 2137E083EBD95DB3