3-Hydroxy-6-nitro-4-(trifluoromethoxy)pyridine-2-methanol
5-Hydroxy-2-nitro-3-(trifluoromethoxy)pyridine-4-methanol
2-Hydroxy-4-methoxy-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
4-Hydroxy-5-nitro-3-(trifluoromethoxy)pyridine-2-methanol
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