3-Chloro-4-hydroxy-6-iodo-2-(trifluoromethoxy)pyridine
3-Chloro-4-hydroxy-2-iodo-6-(trifluoromethoxy)pyridine
3-Chloro-6-nitro-4-(trifluoromethoxy)pyridine-2-sulfonyl chloride
5-Chloro-2-nitro-3-(trifluoromethoxy)pyridine-4-sulfonyl chloride
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