Methyl 4-cyano-5-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-acetate
Ethyl 2-cyano-5-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-3-acetate
Methyl 2-hydroxy-4-iodo-3-(trifluoromethoxy)pyridine-6-carboxylate
Methyl 4-cyano-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-5-acetate