2-Cyano-3-(difluoromethyl)isonicotinoyl chloride
Methyl 5-cyano-4-(difluoromethyl)pyridine-2-acetate
Methyl 6-cyano-2-(difluoromethyl)pyridine-3-acetate
Methyl 5-cyano-3-(difluoromethyl)pyridine-2-acetate
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