Ethyl 2-bromo-5-(difluoromethyl)pyridine-4-acetate
3-Bromo-5-(difluoromethyl)pyridine-4-sulfonyl chloride
Ethyl 2-(chloromethyl)-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-6-carboxylate
4-Chloro-2-(difluoromethyl)pyridine-5-acetic acid
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