InChI=1/C15H19BrN2O3/c1-2-10-4-3-5-12(8-10)17-15(19)11-6-7-13(16)14(9-11)18(20)21/h6-7,9-10,12H,2-5,8H2,1H3,(H,17,19)/t10-,12+/m0/s1/f/h17H C1A4040D01EB92A8