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