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