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