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