Four New Dimeric Peptide Alkaloids, Anchinopeptolides B-D, and Cycloanchinopeptolide C, Congeners of Anchinopeptolide A, from the Mediterranean Marine Sponge Anchinoe tenacior

Four New Dimeric Peptide Alkaloids, Anchinopeptolides B-D, and Cycloanchinopeptolide C, Congeners of Anchinopeptolide A, from the Mediterranean Marine Sponge Anchinoe tenacior Four New Dimeric Peptide Alkaloids, Anchinopeptolides B-D, and Cycloanchinopeptolide C, Congeners of Anchinopeptolide A, from the Mediterranean Marine Sponge Anchinoe tenacior A dimeric peptide alkaloid of a completely new type, Anchinopeptolide A, from the marine sponge Anchinoe tenacior The unique 6-(p-hydroxyphenyl)-2H-3,4-dihydro-1,1-dioxo-1,4-thiazine and the new tripeptide l-glu-gly-4-hydroxystirylamine from the marine sponge anchinoe tenacior Paltolides A−C, Anabaenopeptin-Type Peptides from the Palau Sponge <i>Theonella swinhoei</i> Paltolides A−C, Anabaenopeptin-Type Peptides from the Palau Sponge <i>Theonella swinhoei</i> Pyrinodemins B-D, Potent Cytotoxic bis-Pyridine Alkaloids from Marine Sponge Amphimedon sp. Pyrinodemins B-D, Potent Cytotoxic bis-Pyridine Alkaloids from Marine Sponge Amphimedon sp. Callipeltins B and C; bioactive peptides from a marine Lithistida sponge Callipelta sp Nakinadine A, a novel bis-pyridine alkaloid with a β-amino acid moiety from sponge Amphimedon sp.