Methyl 2-fluoro-6-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-3-carboxylate
Methyl 2-fluoro-4-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-3-carboxylate
4-Fluoro-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-6-carboxylic acid
4-Cyano-5-(fluoromethyl)-2-(trifluoromethoxy)pyridine-3-acetic acid