4-Bromo-3-chloro-2-(chloromethyl)-6-(trifluoromethoxy)pyridine
4-Chloro-2-(difluoromethyl)-6-nitropyridine-3-sulfonyl chloride
6-Fluoropyridine-2-carbonyl chloride
6-(Difluoromethyl)-4-fluoro-2-methyl-3-(trifluoromethyl)pyridine
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