4-(Chloromethyl)-2-cyano-3-(trifluoromethoxy)pyridine-6-acetonitrile
2-Chloro-3-(difluoromethyl)-4-methyl-6-nitropyridine
4-(Difluoromethyl)-2-methoxy-3-methylpyridine-6-sulfonyl chloride
3-(Difluoromethyl)-5-iodopyridine-2-sulfonamide
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