Methyl 3-cyano-6-methyl-2-(trifluoromethoxy)pyridine-5-acetate
Methyl 4-cyano-3-methyl-2-(trifluoromethoxy)pyridine-6-acetate
Ethyl 3-(chloromethyl)-4-fluoro-6-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 4-cyano-2-methyl-3-(trifluoromethoxy)pyridine-6-acetate