Methyl 2-bromo-4-cyano-3-(difluoromethyl)pyridine-6-acetate
2-Bromo-4-(bromomethyl)-5-(difluoromethyl)-3-iodopyridine
2-Bromo-4-(bromomethyl)-3-(difluoromethyl)-5-iodopyridine
2-Bromo-3-(bromomethyl)-6-(difluoromethyl)-4-iodopyridine
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