6-Bromo-3-(difluoromethyl)-4-nitropyridine-2-sulfonamide
Methyl 2-bromo-3-(difluoromethyl)-5-methoxypyridine-4-carboxylate
Methyl 2-bromo-3-(difluoromethyl)-4-methoxypyridine-5-carboxylate
3-Bromo-6-(difluoromethyl)-2-methoxypyridine-5-carboxylic acid