InChI=1/C19H13BrN2O3/c20-7-13(23)8-4-5-12-11(6-8)14-16-15(18(24)22-19(16)25)9-2-1-3-10(9)17(14)21-12/h4-6,21H,1-3,7H2,(H,22,24,25)/f/h22H 0893C273EEAC61C7