Ethyl 2-(fluoromethyl)-5-hydroxy-4-(trifluoromethoxy)pyridine-3-carboxylate
2-(Fluoromethyl)-3-hydroxy-6-(trifluoromethoxy)pyridine-4-carboxylic acid
Ethyl 4-(bromomethyl)-5-hydroxy-3-(trifluoromethoxy)pyridine-2-acetate
Ethyl 4-(bromomethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine-5-acetate