科研之友
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摘要
Three isomalabaricane and malabaricane triterpenoids(1-3) were isolated from the sponge Stelletta sp.collected from Weizhou Island,Guangxi Province.The structures of compounds 1-3 were identified mainly by spectroscopic methods and X-ray diffraction analysis.All ~1H NMR and ~13C NMR signals of compo...
