Cheng Weng

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Various tools have been developed to allow recording of collaborative online meeting contents. Tools also exist which provide mechanism for visualisation and browsing of shared documents and audio recordings of such meetings. However, in the past these tools have required the level of processing power only available in standard desktop computers. In recent(More)
From the whole plants of Aster himalaicus, a new eudesmane-type sesquiterpene, 1-oxoeudesm-11(13)-eno-12,8alpha-lactone, along with twelve known compounds, was isolated. The structures of all compounds have been elucidated on the basis of spectroscopic data, including IR, EI-MS, HR-ESI-MS, and 1D- and 2D-NMR data.
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