InChI=1/C21H33N5O2/c1-16-14-22-8-7-18(16)23-9-10-24-20(27)13-19-21(28)25-11-12-26(19)15-17-5-3-2-4-6-17/h7-8,14,17,19H,2-6,9-13,15H2,1H3,(H,22,23)(H,24,27)(H,25,28)/p+2/t19-/m0/s1/fC21H35N5O2/h22-26H/q+2 2268A42DCCC6AB5C