InChI=1/C15H20BrN3O3/c1-10(19-8-6-13(20)7-9-19)14(21)18-15(22)17-12-4-2-11(16)3-5-12/h2-5,10,13,20H,6-9H2,1H3,(H2,17,18,21,22)/t10-/m1/s1/f/h17-18H 941A632DCE9CF24A