4-Fluoro-5-hydroxy-2-(trifluoromethoxy)pyridine-3-acetic acid
3-Fluoro-5-methyl-4-(trifluoromethoxy)pyridine-2-carbonyl chloride
4-Fluoro-5-(difluoromethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine
4-Fluoro-3-hydroxy-5-(trifluoromethoxy)pyridine-2-acetic acid