2-Cyano-6-(difluoromethyl)-5-methoxypyridine-3-sulfonyl chloride
2-Cyano-3-(difluoromethyl)-6-nitropyridine-4-sulfonyl chloride
3-Cyano-5-(difluoromethyl)-2-methyl-6-nitropyridine
3-(Chloromethyl)-2-cyano-4-(difluoromethyl)pyridine-5-carboxaldehyde
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