Novel marine sponge alkaloids 3. β-carbolinium salts from Fascaplysinopsis reticulata

Novel marine sponge alkaloids 3. β-carbolinium salts from Fascaplysinopsis reticulata New b-carboline alkaloid from marine sponge Hyrtios reticulatus Structures and cytotoxicities of fascaplysin and related alkaloids from two marine phyla—Fascaplysinopsis sponges and Didemnum tunicates Novel sponge-derived amino acids. 12. Tryptophan-derived pigments and accompanying sesterterpenes from Fascaplysinopsis reticulata Novel sponge-derived amino acids. 12. Tryptophan-derived pigments and accompanying sesterterpenes from Fascaplysinopsis reticulata Novel Sulfated Sesterterpene Alkaloids from the Marine Sponge Fasciospongia sp. (+)- and (−)-Spiroreticulatine, A Pair of Unusual Spiro Bisheterocyclic Quinoline-imidazole Alkaloids from the South China Sea Sponge Fascaplysinopsis reticulata Recent Advances in the Synthesis of the Marine-Derived Alkaloid Fascaplysin and Its Metabolites Homofascaplysins A–C A β-Carboline Alkaloid from the Papua New Guinea Marine Sponge <i>Hyrtios reticulatus</i> Thorectandramine, a novel β-carboline alkaloid from the marine sponge Thorectandra sp.