Methyl 2-cyano-4-fluoro-3-(trifluoromethoxy)pyridine-6-acetate
Methyl 2-cyano-3-fluoro-6-(trifluoromethoxy)pyridine-4-acetate
Methyl 3-fluoro-5-iodo-6-(trifluoromethoxy)pyridine-2-acetate
Ethyl 5-cyano-2-fluoro-4-(trifluoromethoxy)pyridine-3-acetate
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