InChI=1/C21H30N4O2/c1-15(2)18-7-5-17(6-8-18)13-25-10-4-9-21(27,20(25)26)14-22-12-19-11-16(3)23-24-19/h5-8,11,15,22,27H,4,9-10,12-14H2,1-3H3,(H,23,24)/p+1/t21-/m1/s1/fC21H31N4O2/h22-23H/q+1 61FEDE0E66F18361