InChI=1/C21H29N5O/c1-4-25-7-9-26(10-8-25)20-14-18(5-6-22-20)15-23-21(27)24-19-12-16(2)11-17(3)13-19/h5-6,11-14H,4,7-10,15H2,1-3H3,(H2,23,24,27)/p+2/fC21H31N5O/h22-25H/q+2 AA4E9BEAB439F37C