4-Hydroxy-3-iodo-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
3-(Fluoromethyl)-4-hydroxy-2-nitro-6-(trifluoromethoxy)pyridine
5-(Chloromethyl)-4-hydroxy-2-iodo-3-(trifluoromethoxy)pyridine
4-Hydroxy-3-iodo-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine