4-(Bromomethyl)-2-(difluoromethyl)pyridine-5-sulfonyl chloride
Ethyl 4-(difluoromethyl)-3-nitropyridine-2-carboxylate
4-(Difluoromethyl)-3-nitropyridine-2-sulfonyl chloride
4-(Difluoromethyl)-2-nitropyridine-3-sulfonyl chloride
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