Ethyl 2-fluoro-5-hydroxy-3-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 5-fluoro-3-hydroxy-4-(trifluoromethoxy)pyridine-2-acetate
2-Hydroxy-5-methoxy-6-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
Methyl 5-fluoro-4-hydroxy-3-(trifluoromethoxy)pyridine-2-acetate