InChI=1/C15H14BrN3O3/c16-13-6-5-12(22-13)15(21)18-10-3-1-2-4-11(10)19-8-7-17-14(20)9-19/h1-6H,7-9H2,(H,17,20)(H,18,21)/f/h17-18H F771F89190FFEB10