Eurysterols A and B, Cytotoxic and Antifungal Steroidal Sulfates from a Marine Sponge of the Genus Euryspongia

Eurysterols A and B, Cytotoxic and Antifungal Steroidal Sulfates from a Marine Sponge of the Genus <i>Euryspongia</i> Novel Cytotoxic Oxygenated C29 Sterols from the Colombian Marine Sponge <i>Polymastia </i><i>t</i><i>enax</i> Three New Cytotoxic Sesterterpenes from the Marine Sponge <i>Hyrtios</i> cf. <i>erectus</i> Euryspongins A–C, three new unique sesquiterpenes from a marine sponge Euryspongia sp. 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. New cytotoxic polyoxygenated steroids from the sponge Dysidea incrustans Three New Cytotoxic Sesterterpenes from a Marine Sponge <i>Spongia </i>sp. 5,6:8,9-Diepoxy and Other Cytotoxic Sterols from the Marine Sponge <i>Homaxinella</i> sp. Aurantosides D, E, and F:  New Antifungal Tetramic Acid Glycosides from the Marine Sponge <i>Siliquariaspongia</i> <i>j</i><i>aponica</i>