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  • Title: New polyhydroxylated sterols stylisterols A-C and a novel 5,19-cyclosterol hatomasterol from the Okinawan marine sponge Stylissa sp.
    Author: Mitome H, Shirato N, Hoshino A, Miyaoka H, Yamada Y, Van Soest RW.
    Journal: Steroids; 2005 Jan; 70(1):63-70. PubMed ID: 15610898.
    Abstract:
    New polyhydroxylated sterols, stylisterol A-C (1-3), and a novel 5,19-cyclosterol, hatomasterol (4) were isolated from the Okinawan sponge Stylissa sp. Structural determinations of these compounds were made by spectroscopic analysis and chemical conversion. Assessment of cytotoxicity toward HeLa cells was also determined.
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