3-Chloro-2-(chloromethyl)-5-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
3-Chloro-2-(fluoromethyl)-5-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
6-Chloro-2-(fluoromethyl)-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
6-Chloro-2-(fluoromethyl)-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine