InChI=1/C21H20N4O2/c1-14-6-8-17(9-7-14)25-13-15(10-20(25)26)21(27)24-23-12-16-11-22-19-5-3-2-4-18(16)19/h2-9,11-12,15,22H,10,13H2,1H3,(H,24,27)/b23-12+/t15-/m1/s1/f/h24H 66C4F6BB6F98895F