InChI=1/C20H22N4O/c21-19(25)16-7-4-8-17-18(16)23-20(22-17)15-10-12-24(13-15)11-9-14-5-2-1-3-6-14/h1-8,15H,9-13H2,(H2,21,25)(H,22,23)/p+1/t15-/m0/s1/fC20H23N4O/h22,24H,21H2/q+1 6A74F026F4F753C6