InChI=1/C14H16BrN3O2/c1-2-4-18-5-3-8-9(7-18)10(15)6-11-12(8)17-14(20)13(19)16-11/h6H,2-5,7H2,1H3,(H,16,19)(H,17,20)/f/h16-17H 5D9D23348519A9EC