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