[Iso-Scrophularioside, a new iridoid glucoside from Penstemon eriantherus].
From the aerial parts of Penstemon eriantherus Pursh a new iridoid glucoside was isolated and structurally elucidated as 10-cinnamoylaucubin mainly by spectroscopic methods ( (1)-NMR, (13)-NMR, MS).
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Institut für Pharmazeutische Biologie der Philipps-Universität Marburg, Bundesrepublik Deutschland.