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