2-Bromo-3-(difluoromethyl)-4-nitropyridine-5-acetonitrile
5-Bromo-2-(difluoromethyl)-3-methylpyridine-6-carboxylic acid
3-Bromo-6-(difluoromethyl)-2-nitro-5-(trifluoromethyl)pyridine
5-Bromo-2-(difluoromethyl)-4-nitro-3-(trifluoromethyl)pyridine
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