Methyl 2-bromo-3-(difluoromethyl)-6-fluoropyridine-5-acetate
Ethyl 2-bromo-3-(difluoromethyl)-4-methoxypyridine-5-acetate
Methyl 2-bromo-3-(difluoromethyl)-5-fluoropyridine-6-acetate
Methyl 3-bromo-6-(difluoromethyl)-2-methoxypyridine-5-acetate
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