6-Chloro-3-cyano-4-(difluoromethyl)pyridine-2-acetic acid
4-Chloro-2-(difluoromethyl)-3-fluoropyridine-5-acetonitrile
3-Chloro-5-(difluoromethyl)-6-fluoropyridine-2-acetonitrile
3-Chloro-5-(difluoromethyl)-4-fluoropyridine-2-acetonitrile
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