4-Chloro-2-(difluoromethyl)pyridine-5-acetic acid
3-Chloro-5-(difluoromethyl)pyridine-4-acetic acid
2-(Chloromethyl)-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-5-acetic acid
3-Cyano-4-(difluoromethyl)-2-iodopyridine
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