4,5-Dichloro-2-(difluoromethyl)pyridine-3-carbonyl chloride
5-Hydroxy-4-methoxy-3-(trifluoromethoxy)pyridine-2-carbonyl chloride
6-Chloro-3-(difluoromethyl)-2-methoxypyridine-4-sulfonyl chloride
Methyl 2-amino-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-5-carboxylate