Ethyl 2-(bromomethyl)-4-hydroxy-6-(trifluoromethoxy)pyridine-3-acetate
Ethyl 4-(bromomethyl)-3-hydroxy-5-(trifluoromethoxy)pyridine-2-acetate
4-Iodo-3-nitro-2-(trifluoromethoxy)pyridine-5-carboxylic acid
3-(Chloromethyl)-5-hydroxy-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine