2-(Difluoromethyl)-5-methylpyridine-4-sulfonyl chloride
5-(Difluoromethyl)-3-nitro-2-(trifluoromethyl)pyridine
2-(Difluoromethyl)-3-methylpyridine-5-sulfonyl chloride
4-Cyano-2,5-dibromo-3-(difluoromethyl)pyridine
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