2-Fluoro-3-hydroxy-5-nitro-4-(trifluoromethoxy)pyridine
3-Fluoro-6-hydroxy-2-methyl-4-(trifluoromethoxy)pyridine
Methyl 5-fluoro-3-hydroxy-2-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 3-fluoro-5-hydroxy-4-(trifluoromethoxy)pyridine-2-carboxylate