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