Methyl 2-hydroxy-3-nitro-4-(trifluoromethoxy)pyridine-5-acetate
2-Hydroxy-3-nitro-6-(trifluoromethoxy)pyridine-4-carbonyl chloride
5-Hydroxy-2-nitro-3-(trifluoromethoxy)pyridine-4-acetic acid
Ethyl 3-hydroxy-4-nitro-2-(trifluoromethoxy)pyridine-6-acetate