6-Cyano-3-methoxy-2-(trifluoromethoxy)pyridine-4-sulfonyl chloride
4-Cyano-5-(difluoromethyl)-2,3-diiodopyridine
2-(Chloromethyl)-6-cyano-3-(difluoromethyl)-4-iodopyridine
6-Fluoro-4-methyl-3-(trifluoromethoxy)pyridine-2-acetic acid
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