Methyl 2-bromo-3-(bromomethyl)-5-(difluoromethyl)pyridine-4-acetate
Methyl 3-(aminomethyl)-4-bromo-2-(difluoromethyl)pyridine-6-acetate
Methyl 2-bromo-3-(bromomethyl)-4-(difluoromethyl)pyridine-5-acetate
3-Bromo-6-(bromomethyl)-2-(difluoromethyl)pyridine-5-acetic acid