2-Hydroxy-6-nitro-4-(trifluoromethoxy)pyridine-3-methanol
Ethyl 4-(fluoromethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine-5-carboxylate
2-Hydroxy-5-nitro-6-(trifluoromethoxy)pyridine-3-methanol
Ethyl 5-(fluoromethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine-2-carboxylate