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