Ethyl 2-bromo-4-(fluoromethyl)-5-(trifluoromethoxy)pyridine-3-carboxylate
Ethyl 5-chloro-3-(fluoromethyl)-2-(trifluoromethoxy)pyridine-4-carboxylate
6-Chloro-4-(fluoromethyl)-2-iodo-3-(trifluoromethoxy)pyridine
3-Chloro-6-iodo-2-(trifluoromethoxy)pyridine-4-acetic acid