2-Bromo-5-cyano-3-(difluoromethyl)-6-(trifluoromethyl)pyridine
6-Bromo-4-cyano-2-(difluoromethyl)-3-(trifluoromethyl)pyridine
4-Bromo-2-(difluoromethyl)-5-fluoro-3-methoxypyridine
6-Bromo-4-cyano-3-(difluoromethyl)-2-(trifluoromethyl)pyridine
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