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