Ethyl 3-chloro-4-(difluoromethyl)-6-hydroxypyridine-2-carboxylate
Ethyl 2-chloro-6-(difluoromethyl)-3-hydroxypyridine-5-carboxylate
2-Cyano-6-(difluoromethyl)-3-fluoro-4-(trifluoromethyl)pyridine
2-Chloro-4-(difluoromethyl)-6-nitropyridine-3-carbonyl chloride