Ethyl 2-cyano-3-methoxy-5-(trifluoromethoxy)pyridine-6-carboxylate
4-Cyano-3-methoxy-5-(trifluoromethoxy)pyridine-2-acetic acid
3-Chloro-2-(fluoromethyl)-5-methyl-6-(trifluoromethoxy)pyridine
5-Cyano-3-methoxy-2-(trifluoromethoxy)pyridine-4-acetic acid