5-Nitro-4-(trifluoromethoxy)pyridine-2-carboxylic acid
2-Iodo-5-methyl-3-(trifluoromethoxy)pyridine
3-Nitro-2-(trifluoromethoxy)pyridine-6-carboxylic acid
3-Hydroxy-5-iodo-2-(trifluoromethoxy)pyridine
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