InChI=1/C20H21N5/c1-25(2)19-16-8-4-6-10-18(16)23-20(24-19)21-12-11-14-13-22-17-9-5-3-7-15(14)17/h3-10,13,22H,11-12H2,1-2H3,(H,21,23,24)/p+1/fC20H22N5/h21,23H/q+1 6FA21EB96E2329EF