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  • Title: Minor and trace sterols in marine invertebrates. 62. Novel coprostanols with unusual side chains from the marine sponge Calyx nicaeensis.
    Author: Ha TB, Djerassi C.
    Journal: Steroids; 1989; 53(3-5):487-99. PubMed ID: 2508274.
    Abstract:
    Seventeen stanols with a variety of unusual side chains and possessing the rare 5 beta-dihydro nucleus have been isolated from the sponge Calyx nicaeensis. These stanols probably result from bacterial metabolism of the endogenous sponge sterols.
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