6-(Bromomethyl)-3-methyl-2-(trifluoromethoxy)pyridine-4-carboxylic acid
2-(Bromomethyl)-6-(difluoromethyl)-4-methoxypyridine-3-acetic acid
2-(Bromomethyl)-6-(difluoromethyl)-3-methoxypyridine-4-acetic acid
6-(Bromomethyl)-3-(difluoromethyl)-2-methoxypyridine-4-acetic acid