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