Methyl 2-bromo-6-(difluoromethyl)pyridine-4-acetate
Methyl 2-bromo-5-(difluoromethyl)pyridine-4-acetate
Methyl 2-bromo-4-(difluoromethyl)pyridine-5-acetate
3-Bromo-4-(difluoromethyl)pyridine-5-acetic acid
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