Polymastiamides B−F, Novel Steroid/Amino Acid Conjugates Isolated from the Norwegian Marine Sponge Polymastia boletiformis

Polymastiamides B−F, Novel Steroid/Amino Acid Conjugates Isolated from the Norwegian Marine Sponge <i>Polymastia boletiformis</i> Polymastiamide A, a novel steroid/amino acid conjugate isolated from the Norwegian marine sponge Polymastia boletiformis (Lamarck, 1815) Bengamides and Related New Amino Acid Derivatives from the New Caledonian Marine Sponge <i>Jaspis carteri</i> A new steroidal alkaloid from a marine sponge Corticium sp Bengamides and Related New Amino Acid Derivatives from the New Caledonian Marine Sponge Jaspis carteri Isolation of Ciliatamide D from a Marine Sponge Stelletta sp. and a Reinvestigation of the Configuration of Ciliatamide A Novel Cytotoxic Oxygenated C29 Sterols from the Colombian Marine Sponge <i>Polymastia </i><i>t</i><i>enax</i> Hymenamide F, new cyclic heptapeptide from marine sponge Hymeniacidon sp A New Manzamine Congener from Marine Sponge Amphimedon sp. Three New Manzamine Congeners from <i>Amphimedon</i> Sponge