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  • Title: Four new bioactive pyrrole-derived alkaloids from the marine sponge Axinella brevistyla.
    Author: Tsukamoto S, Tane K, Ohta T, Matsunaga S, Fusetani N, van Soest RW.
    Journal: J Nat Prod; 2001 Dec; 64(12):1576-8. PubMed ID: 11754618.
    Abstract:
    Four new alkaloids (1-4) were isolated from the marine sponge Axinella brevistyla, and their structures were determined on the basis of spectroscopic analysis. The alkaloids 1-4 were antifungal against the yeast Saccharomyces cerevisiae at <1.0, <1.0, 30, and 100 microg/disk, respectively. Compounds 1-3 also exhibited cytotoxicity against L1210 cells with IC(50) values of 1.1, 0.66, and 2.5 microg/mL, respectively.
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