3-Bromo-5-(difluoromethyl)-6-nitro-2-(trifluoromethyl)pyridine
3-Bromo-5-(difluoromethyl)-4-nitro-2-(trifluoromethyl)pyridine
3-Bromo-5-(difluoromethyl)-2-nitro-4-(trifluoromethyl)pyridine
Methyl 4-bromo-6-(difluoromethyl)-2-methylpyridine-3-carboxylate