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用柱层析法分离得到国产ＭＤＭ的二个成分，其结构经波谱分析和其它理化性质的分析，证明是ＳＦ－８３７Ａ１和ＬｅｕｃｏｍｙｃｉｎＡ６，质谱结果表明，它们都含有碳霉氨基糖，碳霉糖和内酯环。
The two components of domestic MDM were separated by column chromatography and their structures were identified by spectroscopic analysis and other physical and chemical properties as SF-837A1 and LeucomycinA6. Their mass spectra showed that they all contained mycaminoglycan, mycaminose and Lactone ring.