InChI=1/C21H20N4O2/c1-21(2,27)13-3-6-17-19(11-13)25-20(26)16-5-4-15(12-18(16)24-17)23-14-7-9-22-10-8-14/h3-12,24,27H,1-2H3,(H,22,23)(H,25,26)/p+1/fC21H21N4O2/h22-23,25H/q+1 3EEFD35E01A56042