New Secosteroids from a Gorgonian of the Genus Muricella

New Secosteroids from a Gorgonian of the Genus <i>Muricella</i> New Secosteroids from an Undescribed Gorgonian of the Genus Muricella 9,11-Secosterols with antiproliferative activity from the gorgonian Eunicella cavolini Polyoxygenated Steroids from the Gorgonian <i>Isis hippuris</i> 9,11-Secosterols from the Soft Corals <i>Sinularia </i><i>l</i><i>ochmodes</i> and <i>Sinularia </i><i>l</i><i>eptoclados</i> A new 9,11-secosterol from the soft coral Sinularia granosa New Cytotoxic Sesquiterpenes from the Gorgonian <i>Isis hippuris</i> New Steroids and a New Alkaloid from the Gorgonian Isis minorbrachyblasta: Structures, Cytotoxicity, and Antilarval Activity 9,10-Secosteroids, protein kinase inhibitors from the Chinese gorgonian Astrogorgia sp. Additional Cytotoxic Sterols and Saponins from the Starfish <i>Certonardoa </i><i>s</i><i>emiregularis</i>