Abstract
Two new resveratrol dimer glucosides, mirabilosides A (1) and B (2), and two new resveratrol trimers, mirabilols A (3) and B (4) were isolated from stem and root of Welwitschia mirabilis (Welwitschiaceae) together with four known stilbene oligomers (gnetins C, E, F and I). The structures of isolated compounds were determined by spectroscopic analysis.
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