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