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