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