4-(Difluoromethyl)-3-hydroxy-2-iodopyridine-6-acetic acid
Methyl 3-(fluoromethyl)-4-iodo-5-(trifluoromethoxy)pyridine-2-acetate
Ethyl 6-chloro-3-fluoro-4-(trifluoromethoxy)pyridine-2-acetate
2-Bromo-4-(fluoromethyl)-3-hydroxy-5-(trifluoromethoxy)pyridine