InChI=1/C21H20N4O2/c1-25(2)15-8-4-13(5-9-15)17-18-20(22)23-12-24-21(18)27-19(17)14-6-10-16(26-3)11-7-14/h4-12H,1-3H3,(H2,22,23,24)/f/h22H2 CDB5D01373C372AA