3-Bromo-6-chloro-4-(difluoromethyl)-2-(trifluoromethyl)pyridine
4-Bromo-5-chloro-3-(difluoromethyl)-2-(trifluoromethyl)pyridine
2-Bromo-4-cyano-5-(difluoromethyl)-3-nitropyridine
4-Bromo-5-cyano-2-(difluoromethyl)-3-methylpyridine
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