InChI=1/C14H15BrN4O3/c1-6-11-12(19-18-6)14(20)17-13(16-11)7-4-9(21-2)10(22-3)5-8(7)15/h4-5,13,16H,1-3H3,(H,17,20)(H,18,19)/t13-/m0/s1/f/h17-18H FEFE9527A53B9373