Methyl 5-(difluoromethyl)-4-iodopyridine-2-acetate
4-(Bromomethyl)-3-(difluoromethyl)pyridine-5-acetic acid
Methyl 3-(difluoromethyl)-2-iodopyridine-6-acetate
2,4-Dibromo-3-(difluoromethyl)pyridine-5-sulfonyl chloride
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