2-Bromo-3-cyano-5-(difluoromethyl)-6-nitropyridine
5-Bromo-2-cyano-3-(difluoromethyl)-6-methylpyridine
2-Bromo-3-cyano-4-(difluoromethyl)-5-nitropyridine
5-Bromo-4-chloro-2-(difluoromethyl)pyridine-3-methanol
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