Methyl 2,5-bis(trifluoromethyl)pyridine-3-acetate
Methyl 2,4-bis(trifluoromethyl)pyridine-5-acetate
Methyl 2,6-bis(trifluoromethyl)isonicotinate
Methyl 2,3-bis(trifluoromethyl)pyridine-6-acetate
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