4-Cyano-5-(difluoromethyl)-2-iodo-3-methylpyridine
3-Cyano-2-(difluoromethyl)-5-methoxypyridine-4-sulfonamide
3-Cyano-2-(difluoromethyl)-4-fluoropyridine-5-acetonitrile
2-Cyano-6-(difluoromethyl)-3-methyl-5-nitropyridine
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