4-Chloro-2-methyl-5-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
3-Chloro-5-methoxy-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
4-Chloro-2-methyl-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
5-Chloro-4-methoxy-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine