Methyl 4-cyano-2-(difluoromethyl)-3-iodopyridine-6-carboxylate
3-Cyano-4-(difluoromethyl)-5-iodo-2-nitropyridine
Methyl 2-cyano-6-(difluoromethyl)-3-iodopyridine-5-carboxylate
5-Cyano-2-(difluoromethyl)-4-iodo-3-methylpyridine
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