5-Chloro-3-fluoro-2-mercaptopyridine
4-Bromo-5-(chloromethyl)-2-fluoro-3-(trifluoromethoxy)pyridine
5-(Aminomethyl)-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-4-sulfonyl chloride
4-Chloro-5-(fluoromethyl)-2-nitro-3-(trifluoromethoxy)pyridine
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