3-Cyano-2-(fluoromethyl)-6-methoxy-5-(trifluoromethoxy)pyridine
2-Cyano-6-(fluoromethyl)-4-methoxy-3-(trifluoromethoxy)pyridine
2-Cyano-5-(fluoromethyl)-4-methoxy-3-(trifluoromethoxy)pyridine
6-Cyano-4-(fluoromethyl)-2-methoxy-3-(trifluoromethoxy)pyridine