Abstract
Abstract A new megastigmane glucoside ( 1 ), and a novel cycloartane nortriterpenoid compound ( 2 ), along with four megastigmane glucosides ( 3–6 ), and one cycloartane triterpenoid ( 7 ) were isolated from the leaves of Vitis quinguangularis Rehd. Their structures were determined on the basis of spectroscopic methods including MS, 1D and 2D NMR.
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