InChI=1/C12H17Br2N3O3/c1-20-12(19)8(15)4-2-3-5-16-11(18)9-6-7(13)10(14)17-9/h6,8,17H,2-5,15H2,1H3,(H,16,18 lysine, N~6~-[(4,5-dibromo-1H-pyrrol-2-yl)carbonyl]-, methyl ester methyl N~6~-[(4,5-dibromo-1H-pyrrol-2-yl)carbonyl]lysinate