6-(Fluoromethyl)-3-hydroxy-4-methoxy-2-(trifluoromethoxy)pyridine
2-(Fluoromethyl)-5-hydroxy-3-methoxy-4-(trifluoromethoxy)pyridine
5-Hydroxy-3-nitro-2-(trifluoromethoxy)pyridine-4-carbonyl chloride
3-Hydroxy-5-nitro-4-(trifluoromethoxy)pyridine-2-carbonyl chloride