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