Methyl 6-(difluoromethyl)-2,4-diiodopyridine-3-acetate
Ethyl 5-(difluoromethyl)-2,3-diiodopyridine-6-carboxylate
Methyl 6-(difluoromethyl)-2,3-diiodopyridine-4-acetate
Ethyl 4-(difluoromethyl)-2,3-diiodopyridine-5-carboxylate
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