Methyl 3-(difluoromethyl)-4-fluoro-5-(trifluoromethyl)pyridine-2-acetate
3-(Bromomethyl)-2-(difluoromethyl)-4-fluoropyridine-6-acetic acid
Methyl 5-(bromomethyl)-2-(difluoromethyl)-3-fluoropyridine-4-acetate
Methyl 4-(difluoromethyl)-5-fluoro-3-nitropyridine-2-acetate