Spiculoic Acids A and B, New Polyketides Isolated from the Caribbean Marine Sponge Plakortis angulospiculatus

Spiculoic Acids A and B, New Polyketides Isolated from the Caribbean Marine Sponge <i>Plakortis </i><i>a</i><i>ngulospiculatus</i> Iso-, <i>Nor</i>-, and <i>Dinor</i>-Spiculoic Acids A, Polyketides from the Marine Sponge <i>Plakortis </i><i>z</i><i>yggompha</i> Plakortides M and N, Bioactive Polyketide Endoperoxides from the Caribbean Marine Sponge <i>Plakortis </i><i>h</i><i>alichondrioides</i> Three New Cytotoxic Metabolites from the Marine Sponge Plakortis halichondrioides Glánvillic Acids A and B and Methyl Capucinoate A, New Metabolites Isolated from the Caribbean Sponges<i> Plakortis </i><i>h</i><i>alichondrioides </i>and <i>Plakinastrella </i><i>o</i><i>nkodes</i> Chemical Constituents of the Deep Reef Caribbean Sponges <i>Plakortis angulospiculatus</i> and <i>Plakortis halichondrioides</i> and Their Anti-inflammatory Activities New Polyketides from the Sponge <i>Plakortis</i> sp. Antiparasitic, Antineuroinflammatory, and Cytotoxic Polyketides from the Marine Sponge <i>Plakortis angulospiculatus</i> Collected in Brazil Four New C₁₆ 1,2-Dioxene-polyketides from the Sponge Plakortis aff. simplex Cytotoxic C₄₇-Polyacetylene Carboxylic Acids from a Marine Sponge <i>Pertrosia</i> sp.