3-(Chloromethyl)-5-(difluoromethyl)-2-(trifluoromethyl)pyridine-6-sulfonyl chloride
2-Chloro-4-methyl-3-(trifluoromethyl)pyridine
3-Chloro-5-cyano-2-(difluoromethyl)pyridine-6-acetic acid
4-Cyano-3-(trifluoromethoxy)pyridine-5-sulfonyl chloride
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