InChI=1/C21H28N6O/c28-21(27-14-12-26(13-15-27)19-6-2-3-9-22-19)24-17-18-7-8-20(23-16-18)25-10-4-1-5-11-25/h2-3,6-9,16H,1,4-5,10-15,17H2,(H,24,28)/p+2/fC21H30N6O/h22-24H/q+2 21EA2016A5DA521A