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