Ethyl 4-(bromomethyl)-5-(difluoromethyl)-3-fluoropyridine-2-carboxylate
Ethyl 2-(difluoromethyl)-6-nitro-3-(trifluoromethoxy)pyridine-5-carboxylate
Ethyl 3-amino-4-(difluoromethyl)-2-fluoropyridine-6-acetate
6-Chloro-2-fluoro-4-(trifluoromethoxy)pyridine-3-sulfonyl chloride