Ethyl 4-(difluoromethyl)-2-iodopyridine-6-acetate
4,6-Dibromo-3-(difluoromethyl)pyridine-2-sulfonamide
Ethyl 5-(difluoromethyl)-4-iodopyridine-2-acetate
Methyl 4-(bromomethyl)-3-(difluoromethyl)pyridine-5-acetate
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