4-Cyano-2-(difluoromethyl)-5-nitro-3-(trifluoromethyl)pyridine
4-(Chloromethyl)-5-cyano-2-(difluoromethyl)-3-methylpyridine
Ethyl 4-(bromomethyl)-5-cyano-3-(difluoromethyl)pyridine-2-carboxylate
3-Cyano-2-(difluoromethyl)-6-nitropyridine-4-methanol
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