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