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
5-Bromo-2-(difluoromethyl)-3-nitro-4-(trifluoromethyl)pyridine