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