InChI=1/C14H13BrN2O3/c1-9-2-5-12(17(18)19)14(6-9)20-13-7-11(15)4-3-10(13)8-16/h2-7H,8,16H2,1H3/p+1/fC14H14BrN2O3/h16H/q+1 D521AC15FF4D79CE