InChI=1/C17H19BrN2O3/c18-13-4-1-5-14(10-13)19-17(21)20(11-15-6-2-8-22-15)12-16-7-3-9-23-16/h1-2,4-6,8,10,16H,3,7,9,11-12H2,(H,19,21)/t16-/m1/s1/f/h19H 575386A639D3966C