Ethyl 4-hydroxy-2-nitro-6-(trifluoromethoxy)pyridine-3-carboxylate
2-(Bromomethyl)-5-hydroxy-3-methyl-4-(trifluoromethoxy)pyridine
2-Fluoro-5-(fluoromethyl)-6-(trifluoromethoxy)pyridine-3-carboxylic acid
Ethyl 3-hydroxy-5-nitro-2-(trifluoromethoxy)pyridine-6-carboxylate