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
2-Fluoro-5-hydroxy-6-(trifluoromethoxy)pyridine-3-carboxylic acid