5-Hydroxy-3-nitro-2-(trifluoromethoxy)pyridine-4-carboxylic acid
Ethyl 3-hydroxy-2-methoxy-4-(trifluoromethoxy)pyridine-6-carboxylate
3-Hydroxy-2-nitro-6-(trifluoromethoxy)pyridine-5-carboxaldehyde
Ethyl 2-hydroxy-6-methoxy-5-(trifluoromethoxy)pyridine-3-carboxylate