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