InChI=1/C21H28N4O/c1-4-25(5-2)15-18-9-7-6-8-17(18)12-22-13-19-14-23-24-21(19)20-11-10-16(3)26-20/h6-11,14,22H,4-5,12-13,15H2,1-3H3,(H,23,24)/p+2/fC21H30N4O/h22,24-25H/q+2 931FE2E589046B12