Methyl 2-bromo-6-(difluoromethyl)-5-nitropyridine-3-carboxylate
2-Bromo-3-(difluoromethyl)-4-methylpyridine-6-sulfonyl chloride
Methyl 2-bromo-6-(difluoromethyl)-4-nitropyridine-3-carboxylate
3-Bromo-6-(difluoromethyl)-2-methylpyridine-4-carbonyl chloride