Ethyl 3-hydroxy-6-iodo-2-(trifluoromethoxy)pyridine-4-acetate
Methyl 4-cyano-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-2-acetate
2-(Difluoromethyl)-3-fluoro-4-(trifluoromethoxy)pyridine-6-carboxylic acid
Methyl 4-cyano-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-6-acetate