Ethyl 2-bromo-3-(difluoromethyl)pyridine-4-acetate
3-(Difluoromethyl)-2-iodo-5-methoxypyridine
4-Bromo-3-(difluoromethyl)pyridine-2-sulfonyl chloride
2-(Chloromethyl)-5-(difluoromethyl)-3-(trifluoromethoxy)pyridine-4-acetic acid
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