2-Hydroxy-5-nitro-6-(trifluoromethoxy)pyridine-3-acetic acid
2-Hydroxy-5-nitro-4-(trifluoromethoxy)pyridine-3-acetic acid
2-Hydroxy-3-nitro-6-(trifluoromethoxy)pyridine-5-acetic acid
Ethyl 4-hydroxy-5-nitro-2-(trifluoromethoxy)pyridine-3-carboxylate
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