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