InChI=1/C14H18BrN3O3/c1-21-13(19)5-3-2-4-10(16)8-6-11-12(7-9(8)15)18-14(20)17-11/h6-7,10H,2-5,16H2,1H3,(H2,17,18,20)/p+1/t10-/m1/s1/fC14H19BrN3O3/h16-18H/q+1 81957705E5E2536E