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