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