2-Hydroxy-5-nitro-4-(trifluoromethyl)pyridine
5-Hydroxy-2-(trifluoromethyl)pyridine-3-acetic acid
2-Hydroxy-4-nitro-6-(trifluoromethyl)pyridine
2-Hydroxy-3-nitro-4-(trifluoromethyl)pyridine
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