Ethyl 2-(difluoromethyl)-3-fluoro-5-(trifluoromethoxy)pyridine-6-carboxylate
Ethyl 3-cyano-5-nitro-6-(trifluoromethoxy)pyridine-2-acetate
Methyl 6-(aminomethyl)-3-cyano-2-(trifluoromethoxy)pyridine-4-carboxylate
Ethyl 3-cyano-5-nitro-2-(trifluoromethoxy)pyridine-6-acetate