Methyl 4-(fluoromethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine-6-carboxylate
Methyl 4-(fluoromethyl)-2-hydroxy-6-(trifluoromethoxy)pyridine-3-carboxylate
3-Hydroxy-2-methyl-6-(trifluoromethoxy)pyridine-4-sulfonyl chloride
Ethyl 3-iodo-4-methoxy-5-(trifluoromethoxy)pyridine-2-carboxylate