Methyl 3-cyano-2-(fluoromethyl)-6-(trifluoromethoxy)pyridine-5-carboxylate
Methyl 3-cyano-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-6-carboxylate
2-Fluoro-6-methoxy-3-(trifluoromethoxy)pyridine-5-carboxylic acid
Methyl 6-cyano-2-(fluoromethyl)-3-(trifluoromethoxy)pyridine-4-carboxylate