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