2-Bromo-4-(bromomethyl)-5-(difluoromethyl)pyridine-3-carboxylic acid
4-(Bromomethyl)-5-chloro-2-cyano-3-(difluoromethyl)pyridine
4-(Bromomethyl)-3-chloro-5-cyano-2-(difluoromethyl)pyridine
2-Chloro-5-(difluoromethyl)-3-hydroxy-4-methylpyridine
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