Methyl 6-(chloromethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 2-(chloromethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine-5-carboxylate
6-(Fluoromethyl)-2-iodo-4-methyl-3-(trifluoromethoxy)pyridine
Ethyl 2-iodo-4-nitro-3-(trifluoromethoxy)pyridine-5-carboxylate