2-Cyano-4-(difluoromethyl)-6-hydroxypyridine-3-acetonitrile
2-Chloro-4-(difluoromethyl)-3-nitropyridine-6-carboxylic acid
Methyl 5-chloro-2-(difluoromethyl)-3-nitropyridine-6-carboxylate
Methyl 4-chloro-2-(difluoromethyl)-6-nitropyridine-3-carboxylate