InChI=1/C13H17BrN2O3/c14-11-7-10(16(18)19)6-5-9(11)8-15-12-3-1-2-4-13(12)17/h5-7,12-13,15,17H,1-4,8H2/t12-,13-/m0/s1 E3BA94F3B7824A84