InChI=1/C21H34N4O2/c1-3-5-6-17-7-9-18(10-8-17)23-21(27)24-19-11-14-25(15-12-19)16-20(26)22-13-4-2/h7-10,19H,3-6,11-16H2,1-2H3,(H,22,26)(H2,23,24,27)/p+1/fC21H35N4O2/h22-25H/q+1 E37ECF6F55D0AC51