Ethyl 3-hydroxy-2-nitro-4-(trifluoromethoxy)pyridine-6-carboxylate
4-Fluoro-3-(fluoromethyl)-5-(trifluoromethoxy)pyridine-2-carboxaldehyde
2-Hydroxy-4-nitro-3-(trifluoromethoxy)pyridine-6-carbonyl chloride
4-(Aminomethyl)-5-hydroxy-3-methyl-2-(trifluoromethoxy)pyridine