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