InChI=1/C12H15BrN2O3/c1-3-15(7-11(17)14-2)12(18)9-5-4-8(13)6-10(9)16/h4-6,16H,3,7H2,1-2H3,(H,14,17)/f/h14H 2BEF8F0E3660DBCE