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