6-(Difluoromethyl)-2-hydroxy-4-(trifluoromethyl)pyridine-3-carboxaldehyde
2-Bromo-6-mercaptoisonicotinonitrile
3-Bromo-6-chloro-2-(trifluoromethoxy)pyridine-5-carboxaldehyde
3-(Difluoromethyl)-6-iodo-2-methylpyridine-4-methanol
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