Biscembranoids from Vietnamese marine sponge Petrosia nigricans
Vietnam Journal of Chemistry(2015)
摘要
Three biscembranoids, lobophytone H ( 1 ), lobophytone U ( 2 ), and methyl tortuoate B ( 3 ), were isolated from the methanol extract of Vietnamese marine sponge Petrosia nigricans . Their structures were determinated on the basis of 1D and 2D-NMR, HR-ESI-MS and in comparison with the reported data.
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