4-Hydroxy-5-methoxy-3-(trifluoromethoxy)pyridine-2-carboxylic acid
4-Iodo-3-methoxy-2-(trifluoromethoxy)pyridine-6-acetonitrile
Methyl 5-hydroxy-2-methoxy-4-(trifluoromethoxy)pyridine-3-carboxylate
4-Hydroxy-3-methoxy-2-(trifluoromethoxy)pyridine-5-carboxylic acid