InChI=1/C14H10BrN3O6/c15-7-3-10(14(20)16-6-7)17-13(19)9-4-8(18(21)22)5-11-12(9)24-2-1-23-11/h3-6H,1-2H2,(H,16,20)(H,17,19)/f/h16-17H F2198ADB33E90DF2