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