What is the new halenaquinone derivative isolated from the tropical marine sponge Xestospongia sp.?

Label:chem

Topic
A study discusses the chemical investigation of a tropical marine sponge of the genus Xestospongia, which led to the isolation of a new halenaquinone derivative along with several known metabolites.
Answer
The new halenaquinone derivative isolated is xestosaprol N (8). Its molecular formula is determined to be C21H19NO7S based on HRESIMS analysis.
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