Novel HIV-Inhibitory Halistanol Sulfates F-H from a Marine Sponge, Pseudoaxinissa digitata

Novel HIV-Inhibitory Halistanol Sulfates F-H from a Marine Sponge, Pseudoaxinissa digitata Halistanol Disulfate B, a Novel Sulfated Sterol from the Sponge <i>Pachastrella </i>sp.:  Inhibitor of Endothelin Converting Enzyme New Sesterterpene Sulfates from the Sponge <i>Darwinella australensis</i> HIV-Inhibitory Natural Products. 11. Comparative Studies of Sulfated Sterols from Marine Invertebrates Bioactive Sulfated Sesterterpene Alkaloids and Sesterterpene Sulfates from the Marine Sponge <i>Fasciospongia</i> sp. Bioactive Sulfated Sesterterpene Alkaloids and Sesterterpene Sulfates from the Marine Sponge <i>Fasciospongia</i> sp. Halicylindrosides, antifungal and cytotoxic cerebrosides from the marine sponge Halichondria cylindrata Anti-HIV Active Petrosins from the Marine Sponge Petrosia similis1) Isolation of 1-Methylherbipoline Salts of Halisulfate-1 and of Suvanine as Serine Protease Inhibitors from a Marine Sponge, <i>Coscinoderma </i><i>m</i><i>athewsi</i> Sesterterpenes from the Tropical Sponge <i>Coscinoderma</i> sp.