科研之友
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摘要
Two new ceramides, irisamides A (1) and B (2), together with a new isoflavone, iridin S (3) have been isolated from the MeOH extract of the rhizomes of Iris germanica L. (Iridaceae). Their structures were established by UV, IR, HRESIMS, 1D and 2D NMR experiments, in addition to comparison with literature data. The isolated compounds were tested for their cytotoxic activity against different cancer cell lines.
