6-Cyano-2,3-dibromo-5-(difluoromethyl)pyridine
2-(Chloromethyl)-4-(difluoromethyl)-5-nitropyridine
4-(Difluoromethyl)-2-(trifluoromethyl)pyridine-3-carbonyl chloride
2-(Difluoromethyl)-4-nitropyridine-5-acetic acid
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