Ethyl 2-(difluoromethyl)-5-fluoro-6-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 5-(fluoromethyl)-2-methyl-4-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 4-cyano-5-hydroxy-2-(trifluoromethoxy)pyridine-3-carboxylate
3-Amino-2-(difluoromethyl)-6-methoxypyridine-5-sulfonyl chloride