New Unusual Alkaloids from the Ascidian Eudistoma vannamei

New Unusual Alkaloids from the Ascidian Eudistoma vannamei Trypargine Alkaloids from a Previously Undescribed <i>Eudistoma</i> sp. Ascidian Trypargine Alkaloids from a Previously Undescribed <i>Eudistoma</i> sp. Ascidian Eudistones A and B: two novel octacyclic alkaloids from a seychelles tunicate. Eudistoma sp Eudistones A and B: two novel octacyclic alkaloids from a seychelles tunicate. Eudistoma sp Staurosporine Derivatives from the Ascidian <i>Eudistoma </i><i>t</i><i>oealensis</i> and Its Predatory Flatworm <i>Pseudoceros</i> sp. New Isoeudistomin Class Dihydro-β-Carbolines from an Undescribed Ascidian of the Genus<i>Eudistoma.</i> Three New Pyridoacridine Type Alkaloids from a Singaporean Ascidian Eusynstyelamide, a Highly Modified Dimer Peptide from the Ascidian Eusynstyela misakiensis Staurosporine Derivatives from the Ascidian Eudistoma toealensis and Its Predatory Flatworm Pseudoceros sp.