3-Chloro-4-(difluoromethyl)-5-nitropyridine-2-sulfonyl chloride
6-Cyano-2-(difluoromethyl)-3-iodopyridine-4-carboxaldehyde
Methyl 2-cyano-5-(difluoromethyl)-4-iodopyridine-3-carboxylate
3-Cyano-4-(difluoromethyl)-2-methoxypyridine-5-sulfonamide
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