6-(Bromomethyl)-3-hydroxy-4-nitro-2-(trifluoromethoxy)pyridine
2-(Bromomethyl)-5-hydroxy-3-nitro-4-(trifluoromethoxy)pyridine
6-(Bromomethyl)-4-hydroxy-3-nitro-2-(trifluoromethoxy)pyridine
Ethyl 2-(aminomethyl)-5-fluoro-3-(trifluoromethoxy)pyridine-6-acetate