Methyl 4-bromo-6-(difluoromethyl)-3-methylpyridine-2-acetate
Methyl 3-bromo-5-(difluoromethyl)-2-iodopyridine-4-carboxylate
Methyl 4-bromo-2-(difluoromethyl)-3-methylpyridine-6-acetate
Methyl 3-bromo-4-(difluoromethyl)-6-iodopyridine-2-carboxylate
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