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