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