Methyl 4-chloro-3-nitro-2-(trifluoromethoxy)pyridine-5-carboxylate
4-Chloro-3-(chloromethyl)-2-iodo-5-(trifluoromethoxy)pyridine
Ethyl 2-chloro-3-iodo-5-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 4-chloro-2-nitro-3-(trifluoromethoxy)pyridine-5-carboxylate