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