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