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