InChI=1/C18H17BrN4O/c1-23(11-8-13-6-9-20-10-7-13)18(24)17-12-16(21-22-17)14-2-4-15(19)5-3-14/h2-7,9-10,12H,8,11H2,1H3,(H,21,22)/f/h22H B74323BB23CA4C4B