Glánvillic Acids A and B and Methyl Capucinoate A, New Metabolites Isolated from the Caribbean Sponges Plakortis halichondrioides and Plakinastrella onkodes

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> Three New Cytotoxic Metabolites from the Marine Sponge Plakortis halichondrioides 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> Cytotoxic β-Carbolines and Cyclic Peroxides from the Palauan Sponge <i>Plakortis </i><i>n</i><i>igra</i> Cytotoxic β-Carbolines and Cyclic Peroxides from the Palauan Sponge <i>Plakortis </i><i>n</i><i>igra</i> Three New Peroxides from the Sponge <i>Plakinastrella</i> Species Novel marine sponge alkaloids. 1. Plakinidine A and B, anthelmintic active alkaloids from a Plakortis sponge New Cyclic Peroxides from the Philippine Sponge <i>Plakinastrella</i> sp.