Methyl 5-bromo-2-(difluoromethyl)pyridine-3-acetate
2-(Difluoromethyl)-5-iodopyridine-3-carbonyl chloride
Methyl 3-bromo-4-(difluoromethyl)pyridine-2-acetate
6-Amino-3-(difluoromethyl)pyridine-2-acetic acid
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