3,7-Isoquinoline quinones from the ascidian tunicateAscidia virginea

3,7-Isoquinoline quinones from the ascidian tunicateAscidia virginea Ascididemin, a novel pentacyclic aromatic alkaloid with potent antileukemic activity from the okinawan tunicate didemnum sp. Cylindricines C-G, Perhydropyrrolo[2,1-j]quinolin-7-one Alkaloids From the Ascidian Clavelina cylindrica Antitumor tetrahydroisoquinoline alkaloids from the colonial ascidian Ecteinascidia turbinata Perspicamides A and B, Quinolinecarboxylic Acid Derivatives from the Australian Ascidian <i>Botrylloides </i><i>p</i><i>erspicuum</i> Studies of Australian Ascidians. II. Novel Cytotoxic Iodotyrosine-Based Alkaloids From Colonial Ascidians, Aplidium sp New iodotyramine derivatives from Didemnum rubeum Isolation of 2-(3‘-Bromo-4‘-hydroxyphenol)ethanamine from the New Zealand Ascidian <i>Cnemidocarpa bicornuta</i> Isolation of 2-(3‘-Bromo-4‘-hydroxyphenol)ethanamine from the New Zealand Ascidian <i>Cnemidocarpa bicornuta</i> Three New Pyridoacridine Type Alkaloids from a Singaporean Ascidian