Methyl 2-(difluoromethyl)-4,6-diiodopyridine-3-carboxylate
2-(Difluoromethyl)-3,4-diiodopyridine-5-sulfonyl chloride
Methyl 5-(difluoromethyl)-2,3-diiodopyridine-4-carboxylate
3-(Difluoromethyl)-2,6-diiodopyridine-4-sulfonyl chloride
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