2-Chloro-6-(difluoromethyl)-4-methylpyridine-3-acetic acid
3-(Bromomethyl)-4-chloro-2-(difluoromethyl)pyridine-6-carboxaldehyde
2-Cyano-4-(difluoromethyl)pyridine-5-acetic acid
3-Fluoro-2-iodo-4-mercaptopyridine
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