2-Chloro-5-nitro-6-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
5-Chloro-2-methoxy-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
2-Chloro-3-fluoro-5-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
6-Chloro-3-hydroxy-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine