Methyl 5-(difluoromethyl)-3-iodopyridine-2-carboxylate
3-(Difluoromethyl)-5-iodopyridine-2-sulfonyl chloride
Methyl 3-(difluoromethyl)-2-(trifluoromethyl)pyridine-6-carboxylate
3-(Difluoromethyl)-4-iodopyridine-2-sulfonyl chloride
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