4-Fluoro-3-hydroxy-5-(trifluoromethoxy)pyridine-2-carboxylic acid
3-Hydroxy-2-methoxy-5-methyl-4-(trifluoromethoxy)pyridine
6-(Bromomethyl)-4-fluoro-2-hydroxy-3-(trifluoromethoxy)pyridine
4-Fluoro-6-hydroxy-2-(trifluoromethoxy)pyridine-3-carboxylic acid