InChI=1/C21H26N6O2/c1-15-5-4-6-19-23-18(14-27(15)19)13-22-21(29)25-17-9-7-16(8-10-17)24-20(28)11-12-26(2)3/h4-10,14H,11-13H2,1-3H3,(H,24,28)(H2,22,25,29)/p+2/fC21H28N6O2/h22-26H/q+2 D73275ED24FA4712