Thorectandramine, a novel β-carboline alkaloid from the marine sponge Thorectandra sp.

Thorectandramine, a novel β-carboline alkaloid from the marine sponge Thorectandra sp. Gesashidine A, a β-Carboline Alkaloid with an Imidazole Ring from a Thorectidae Sponge Thorectandrols C, D, and E, New Sesterterpenes from the Marine Sponge <i>Thorectandra</i> sp. Thorectandrols A and B, New Cytotoxic Sesterterpenes from the Marine Sponge <i>Thorectandra</i> Species New b-carboline alkaloid from marine sponge Hyrtios reticulatus A new β-carboline alkaloid isolated from the marine sponge Hyrtios erecta A β-Carboline Alkaloid from the Papua New Guinea Marine Sponge <i>Hyrtios reticulatus</i> Seragadine A, a α-Carboline Alkaloid from Marine Sponge Novel marine sponge alkaloids 3. β-carbolinium salts from Fascaplysinopsis reticulata Halichondramine, a New Tetracyclic Bipiperidine Alkaloid from the Marine Sponge Halichondria sp.