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