Ethyl 4-fluoro-2-(trifluoromethyl)pyridine-6-acetate
Ethyl 2-fluoro-6-(trifluoromethyl)pyridine-4-acetate
Ethyl 2-fluoro-5-(trifluoromethyl)pyridine-4-acetate
Ethyl 3-fluoro-5-(trifluoromethyl)pyridine-4-acetate
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