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