(2009/10/21)
4-hydroxy-3-nitropyridine
tert-butyl methyl (3-chloro-5-nitropyridin-4-yl)propanedioate
methyl 4-chloro-1-pyrimidin-2-yl-1H-pyrrolo[2,3-c]pyridine-3-carboxylate
methyl 2-(3-chloro-5-nitropyridin-4-yl)-3-(dimethylamino)acrylate
methyl 4-chloro-1H-pyrrolo[2,3-c]pyridine-3-carboxylate