Ethyl 3-cyano-6-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 3-chloro-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine-6-acetate
Methyl 2-fluoro-6-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 2-amino-6-(chloromethyl)-4-(trifluoromethoxy)pyridine-3-acetate