4-(Chloromethyl)-2-(difluoromethyl)-6-(trifluoromethoxy)pyridine-3-sulfonyl chloride
5-(Difluoromethyl)-3-methoxypyridine-2-acetonitrile
Ethyl 3-(difluoromethyl)pyridine-4-carboxylate
4-(Chloromethyl)-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-6-sulfonyl chloride