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