4-Chloro-3-(difluoromethyl)-2-fluoropyridine-6-sulfonyl chloride
5-Chloro-4-cyano-2-(difluoromethyl)-3-nitropyridine
3-Chloro-2-(difluoromethyl)-4-fluoropyridine-6-sulfonyl chloride
3-Chloro-2-cyano-6-(difluoromethyl)-5-nitropyridine
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