2-(Bromomethyl)-6-hydroxy-3-nitro-5-(trifluoromethoxy)pyridine
2-Hydroxy-6-iodo-3-(trifluoromethoxy)pyridine-4-carbonyl chloride
6-Hydroxy-3-iodo-4-(trifluoromethoxy)pyridine-2-carbonyl chloride
6-(Bromomethyl)-3-hydroxy-2-nitro-4-(trifluoromethoxy)pyridine