Ethyl 4-(chloromethyl)-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-3-acetate
2-Cyano-5-(difluoromethyl)pyridine-4-sulfonyl chloride
2-Bromo-6-(difluoromethyl)pyridine-3-acetic acid
2-Cyano-4-(difluoromethyl)pyridine-5-sulfonyl chloride
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