Methyl 2-(bromomethyl)-3-fluoro-6-(trifluoromethoxy)pyridine-5-carboxylate
2-(Fluoromethyl)-6-hydroxy-3-nitro-4-(trifluoromethoxy)pyridine
5-(Chloromethyl)-2-hydroxy-3-nitro-4-(trifluoromethoxy)pyridine
2-(Bromomethyl)-4-fluoro-3-(trifluoromethoxy)pyridine-6-acetic acid