Sulcatin, a Novel Antiproliferative N-Methylpyridinium Alkaloid from the Ascidian Microcosmus vulgaris

Sulcatin, a Novel Antiproliferative N-Methylpyridinium Alkaloid from the Ascidian Microcosmus vulgaris Ascididemin, a novel pentacyclic aromatic alkaloid with potent antileukemic activity from the okinawan tunicate didemnum sp. Novel Bioactive Sulfated Alkene and Alkanes from the Mediterranean Ascidian <i>Halocynthia papillosa</i> New Bioactive Sulfated Metabolites from the Mediterranean Tunicate <i>Sidnyum</i> <i>turbinatum</i> Three New Pyridoacridine Type Alkaloids from a Singaporean Ascidian Antitumor tetrahydroisoquinoline alkaloids from the colonial ascidian Ecteinascidia turbinata Fasicularin, a novel tricyclic alkaloid from the ascidian Nephteis fasicularis with selective activity against a DNA repair-deficient organism Pibocin B, the First N-O-Methylindole Marine Alkaloid, a Metabolite from the Far-Eastern Ascidian Eudistoma Species Pibocin B, the First <i>N</i>-<i>O</i>-Methylindole Marine Alkaloid, a Metabolite from the Far-Eastern Ascidian <i>Eudistoma</i> Species Three New Alkaloids from the Marine Tunicate <i>Cystodytes violatinctus</i>