3-(Bromomethyl)-5-(difluoromethyl)pyridine-4-carbonyl chloride
6-(Difluoromethyl)-2-(trifluoromethyl)pyridine-3-sulfonyl chloride
5-(Difluoromethyl)-2-methoxypyridine-3-acetonitrile
4-(Difluoromethyl)-2-methoxypyridine-3-acetonitrile
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