6-Cyano-3-(difluoromethyl)-4-fluoropyridine-2-sulfonyl chloride
6-Cyano-2-(difluoromethyl)-4-iodopyridine-3-carboxaldehyde
3-Cyano-5-(difluoromethyl)-2-iodopyridine-4-carboxylic acid
2-Cyano-6-(difluoromethyl)-3-iodopyridine-4-carboxylic acid
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