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