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