InChI=1/C20H20N4O2/c25-19-17-7-2-1-6-16(17)18(22-23-19)13-14-4-3-5-15(12-14)20(26)24-10-8-21-9-11-24/h1-7,12,21H,8-11,13H2,(H,23,25)/p+1/fC20H21N4O2/h21,23H/q+1 CCBBA594DF081194