Isotactic Polymethoxydienes from the Philippines Sponge Myriastra clavosa

Isotactic Polymethoxydienes from the Philippines Sponge <i>Myriastra clavosa</i> Myriastramides A–C, new modified cyclic peptides from the Philippines marine sponge Myriastra clavosa New Dimeric Macrolide Glycosides from the Marine Sponge <i>Myriastra </i><i>c</i><i>lavosa</i> New Diketopiperazines from the Sponge<i>Dysidea chlorea</i> New Cyclic Peroxides from the Philippine Sponge <i>Plakinastrella</i> sp. Mycapolyols A−F, New Cytotoxic Metabolites of Mixed Biogenesis from the Marine Sponge <i>Mycale </i><i>i</i><i>zuensis</i>¹ Isolation of a New Mycalolide from the Marine Sponge <i>Mycale izuensis</i> Novel Cytotoxic Oxygenated C29 Sterols from the Colombian Marine Sponge <i>Polymastia </i><i>t</i><i>enax</i> New Cytotoxic Polyacetylenes from the Marine Sponge <i>Petrosia</i> Five New Polyacetylenes from a Sponge of the Genus <i>Petrosia</i>