InChI=1/C14H15BrN4O2/c15-10-5-3-9(4-6-10)11-8-12(19-18-11)14(21)17-7-1-2-13(16)20/h3-6,8H,1-2,7H2,(H2,16,20)(H,17,21)(H,18,19)/f/h17,19H,16H2 E98DF236524E94EB