2-Cyano-3-(difluoromethyl)-5-iodo-6-(trifluoromethyl)pyridine
2-Cyano-3-(difluoromethyl)-6-nitropyridine-4-sulfonamide
Ethyl 2-cyano-4-(difluoromethyl)-5-methoxypyridine-3-acetate
3-Cyano-6-(difluoromethyl)-2-nitropyridine-5-sulfonyl chloride
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