Proline-Containing Cyclopeptides from the Marine Sponge Phakellia fusca

Proline-Containing Cyclopeptides from the Marine Sponge <i>Phakellia fusca</i> Proline-Containing Cyclopeptides from the Marine Sponge <i>Phakellia fusca</i> Isolation and Structure of the Marine Sponge Cell Growth Inhibitory Cyclic Peptide Phakellistatin 1 Isolation and Structure of Phakellistatin 14 from the Western Pacific Marine Sponge <i>Phakellia </i>sp.^,1 Isolation and Structure of Phakellistatin 14 from the Western Pacific Marine Sponge Phakellia sp.^,1 Isolation and Structure of the Cytotoxic Cycloheptapeptide Phakellistatin 13 Isolation and Structure of the Cytotoxic Cycloheptapeptide Phakellistatin 13 Cyclopeptides from the Sponge <i>Stylissa flabelliformis</i> Fuscasins A–D, Cycloheptapeptides from the Marine Sponge Phakellia fusca Antineoplastic Agents, 325. Isolation and Structure of the Human Cancer Cell Growth Inhibitory Cyclic Octapeptides Phakellistatin 10 and 11 from Phakellia sp.