Methyl 2-(bromomethyl)-3-(difluoromethyl)-4-methylpyridine-6-acetate
Methyl 2-(bromomethyl)-3-(difluoromethyl)-4-methylpyridine-5-acetate
3-(Bromomethyl)-6-(difluoromethyl)-2-methylpyridine-4-acetic acid
3-(Bromomethyl)-6-(difluoromethyl)-2-methylpyridine-5-acetic acid