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