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