Methyl 6-bromo-3-(difluoromethyl)-4-methylpyridine-2-carboxylate
Methyl 2-bromo-5-(difluoromethyl)-3-methylpyridine-6-carboxylate
2-Bromo-5-(difluoromethyl)-4-nitropyridine-3-acetonitrile
Methyl 6-bromo-4-(difluoromethyl)-2-methylpyridine-3-carboxylate