InChI=1/C20H15BrN4O2/c21-13-6-7-17-15(11-13)20(27)25(12-23-17)10-8-19(26)24-18-5-1-4-16-14(18)3-2-9-22-16/h1-7,9,11-12H,8,10H2,(H,24,26)/f/h24H 75F6D6232ACBDFBE