7-bromo-8-methyl-1,4-dihydropyrido[2,3-b]pyrazine-2,3-dione InChI=1/C8H6BrN3O2/c1-3-4(9)2-10-6-5(3)11-7(13)8(14)12-6/h2H,1H3,(H,11,13)(H,10,12,14 pyrido[2,3-b]pyrazine-2,3-dione, 7-bromo-1,4-dihydro-8-methyl-