5-Hydroxy-3-iodo-2-nitro-4-(trifluoromethoxy)pyridine
3-Hydroxy-4-iodo-5-nitro-2-(trifluoromethoxy)pyridine
3-Hydroxy-2-iodo-5-nitro-4-(trifluoromethoxy)pyridine
6-Fluoro-2-methoxy-4-methyl-3-(trifluoromethoxy)pyridine
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