4-Bromo-3-(difluoromethyl)-6-methoxypyridine-2-carboxylic acid
4-Bromo-3-(difluoromethyl)-5-methoxypyridine-2-carboxylic acid
4-Bromo-3-(difluoromethyl)-2-methoxypyridine-5-carboxylic acid
4-Bromo-2-(difluoromethyl)-6-methoxypyridine-3-carboxylic acid