Ethyl 2-(difluoromethyl)-3,4-diiodopyridine-5-carboxylate
3-(Bromomethyl)-5-(difluoromethyl)pyridine-2-sulfonamide
Ethyl 3-(difluoromethyl)-2,6-diiodopyridine-4-carboxylate
3,4-Dibromo-2-(difluoromethyl)-5-nitropyridine
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