5-(Bromomethyl)-4-fluoro-2-methoxy-3-(trifluoromethoxy)pyridine
3-(Fluoromethyl)-4-hydroxy-2-methyl-5-(trifluoromethoxy)pyridine
4-(Bromomethyl)-3-hydroxy-2-iodo-6-(trifluoromethoxy)pyridine
5-Fluoro-4-methoxy-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine