Methyl 2-bromo-6-(difluoromethyl)-4-methylpyridine-3-acetate
3-Bromo-6-(bromomethyl)-2-(difluoromethyl)pyridine-4-acetic acid
Methyl 2-bromo-6-(difluoromethyl)-3-methylpyridine-4-acetate
3-Bromo-6-(bromomethyl)-4-(difluoromethyl)pyridine-2-acetic acid