6-Chloro-4-(difluoromethyl)-2-nitropyridine-3-sulfonyl chloride
2-Chloro-4-(difluoromethyl)-5-nitropyridine-3-sulfonyl chloride
2-Chloro-3-(difluoromethyl)-6-methoxy-4-nitropyridine
4-Chloro-2-(difluoromethyl)-5-nitropyridine-3-carbonyl chloride
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