Novel Bioactive Sulfated Alkene and Alkanes from the Mediterranean Ascidian Halocynthia papillosa

Novel Bioactive Sulfated Alkene and Alkanes from the Mediterranean Ascidian <i>Halocynthia papillosa</i> New Bioactive Sulfated Alkenes from the Sea Cucumber <i>Apostichopus japonicus</i> Three new sulfur-containing alkaloids, polycarpaurines A, B, and C, from an Indonesian ascidian Polycarpa aurata Three new sulfur-containing alkaloids, polycarpaurines A, B, and C, from an Indonesian ascidian Polycarpa aurata Halistanol Disulfate B, a Novel Sulfated Sterol from the Sponge <i>Pachastrella </i>sp.:  Inhibitor of Endothelin Converting Enzyme Stolonic Acids A and B, New Cytotoxic Cyclic Peroxides from an Indian Ocean Ascidian <i>Stolonica</i> Species New Bioactive Sulfated Metabolites from the Mediterranean Tunicate <i>Sidnyum</i> <i>turbinatum</i> 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. Isohalitulin and Haliclorensins B and C, Three Marine Alkaloids from <i>Haliclona tulearensis</i>