InChI=1/C21H28N6O/c28-20(25-17-21(7-8-21)18-5-2-1-3-6-18)24-11-12-26-13-15-27(16-14-26)19-22-9-4-10-23-19/h1-6,9-10H,7-8,11-17H2,(H2,24,25,28)/p+1/fC21H29N6O/h24-26H/q+1 5F65E805C9765C21