6-Mercapto-3-(2,4,6-trichlorophenyl)-2-(trifluoromethyl)pyridine
4-Bromo-2-(difluoromethyl)-3-iodo-6-methoxypyridine
3-Iodo-2-(methylthio)-5-(trifluoromethyl)pyridine
3-Cyano-2-fluoro-5-(trifluoromethoxy)pyridine-4-acetic acid
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