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