InChI=1/C21H21N7/c1-2-7-19(8-3-1)28-16-18(20(27-28)17-6-4-9-22-14-17)15-23-12-13-26-21-24-10-5-11-25-21/h1-11,14,16,23H,12-13,15H2,(H,24,25,26)/p+1/fC21H22N7/h23,26H/q+1 619FEA2D073F19F4