InChI=1/C18H23BrN2O3/c1-4-23-16-9-14(8-15(19)18(16)22-3)12-20-11-13-6-7-21-17(10-13)24-5-2/h6-10,20H,4-5,11-12H2,1-3H3/p+1/fC18H24BrN2O3/h20H/q+1 71D302A640DAF6DB