2-Cyano-4-hydroxy-3-(trifluoromethoxy)pyridine-6-acetic acid
3-Fluoro-2-methyl-4-(trifluoromethoxy)pyridine-6-acetonitrile
Ethyl 3-cyano-6-hydroxy-2-(trifluoromethoxy)pyridine-5-carboxylate
2-Cyano-5-methyl-3-(trifluoromethoxy)pyridine-6-carboxylic acid