Ethyl 4-(bromomethyl)-5-cyano-3-(difluoromethyl)pyridine-2-carboxylate
3-Cyano-2-(difluoromethyl)-6-nitropyridine-4-methanol
2-Cyano-6-(difluoromethyl)-3-nitropyridine-5-carboxylic acid
Ethyl 4-(bromomethyl)-2-cyano-3-(difluoromethyl)pyridine-5-carboxylate