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