InChI=1/C21H30N4O2/c1-16(2)18-6-4-17(5-7-18)13-25-11-3-9-21(27,20(25)26)14-22-10-8-19-12-23-15-24-19/h4-7,12,15-16,22,27H,3,8-11,13-14H2,1-2H3,(H,23,24)/p+1/t21-/m1/s1/fC21H31N4O2/h22-23H/q+1 611E22F0842437E4