Ethyl 4-(fluoromethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine-5-carboxylate
Ethyl 6-hydroxy-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-3-acetate
Ethyl 4-(fluoromethyl)-6-hydroxy-3-(trifluoromethoxy)pyridine-2-carboxylate
3-Hydroxy-4-nitro-5-(trifluoromethoxy)pyridine-2-methanol