Ethyl 6-chloro-2-(difluoromethyl)-3-hydroxypyridine-4-carboxylate
Ethyl 2-chloro-6-(difluoromethyl)-4-hydroxypyridine-3-carboxylate
2-Chloro-5-cyano-6-(difluoromethyl)pyridine-3-methanol
2-Chloro-6-(difluoromethyl)-4-nitropyridine-3-carbonyl chloride