InChI=1/C15H17BrN2O3/c16-10-5-6-12(11(7-10)14(19)20)17-15(21)18-13(8-1-2-8)9-3-4-9/h5-9,13H,1-4H2,(H,19,20)(H2,17,18,21)/p-1/fC15H16BrN2O3/h17-18H/q-1 2629CCE7FC5493D5