Methyl 5-hydroxy-2-methoxy-3-(trifluoromethoxy)pyridine-6-carboxylate
4-Hydroxy-3-nitro-5-(trifluoromethoxy)pyridine-2-methanol
Methyl 4-hydroxy-3-methoxy-6-(trifluoromethoxy)pyridine-2-carboxylate
4-Hydroxy-6-nitro-2-(trifluoromethoxy)pyridine-3-methanol