InChI=1/C13H12BrN3O4/c1-7-2-3-9(10(18)4-7)15-11(19)6-17-5-8(14)12(20)16-13(17)21/h2-5,18H,6H2,1H3,(H,15,19)(H,16,20,21)/f/h15-16H	81B9C4D8989DB678