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