Methyl 2-(bromomethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine-5-carboxylate
Methyl 2-(bromomethyl)-3-hydroxy-5-(trifluoromethoxy)pyridine-6-carboxylate
Ethyl 3-(bromomethyl)-6-fluoro-2-(trifluoromethoxy)pyridine-4-carboxylate
3-(Bromomethyl)-4-fluoro-5-(trifluoromethoxy)pyridine-2-acetonitrile