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从滑桃树内生真菌Fusarium sp.(1RGa—1b)的发酵代谢产物中分离得到6个一系列的萘醌类色素化合物,通过波谱分析将其结构鉴定为:3-methylether-fusarubin(1),anhydrofusarubin(2),2-aeetonyl-3-methyl-5-hydro—gen-7-methoxy—naphthazarin(3),2-acetonyl-3-methyl-7-methoxy-8-hydrogen—naphthazarin(4),2-acetonyl-3-methyl-7-m