Ethyl 3-chloro-2-(difluoromethyl)-5-hydroxypyridine-6-carboxylate
2-Chloro-5-(difluoromethyl)-3-nitropyridine-4-carbonyl chloride
Methyl 2-chloro-5-(difluoromethyl)-4-hydroxypyridine-3-acetate
3-Chloro-5-(difluoromethyl)-4-nitropyridine-2-sulfonyl chloride