4-Hydroxy-5-nitro-3-(trifluoromethoxy)pyridine-2-acetic acid
4-(Bromomethyl)-2-hydroxy-6-nitro-3-(trifluoromethoxy)pyridine
4-(Bromomethyl)-2-hydroxy-3-nitro-6-(trifluoromethoxy)pyridine
Ethyl 4-(bromomethyl)-2-fluoro-5-(trifluoromethoxy)pyridine-3-carboxylate