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