Seragadine A, a α-Carboline Alkaloid from Marine Sponge

Seragadine A, a α-Carboline Alkaloid from Marine Sponge Keramadine, a novel antagonist of serotonergic receptors isolated from the okinawan sea sponge sp. Keramamine-A and -B, novel antimicrobial alkaloids from the Okinawan marine sponge sp. Gesashidine A, a β-Carboline Alkaloid with an Imidazole Ring from a Thorectidae Sponge Hyrtioseragamines A and B, New Alkaloids from the Sponge Hyrtios Species Ma'eganedin A, a new manzamine alkaloid from Amphimedon sponge 6-Hydroxymanzamine A and 3,4-Dihydromanzamine A, New Alkaloids from the Okinawan Marine Sponge Amphimedon sp. 6-Hydroxymanzamine A and 3,4-Dihydromanzamine A, New Alkaloids from the Okinawan Marine Sponge Amphimedon sp. New b-carboline alkaloid from marine sponge Hyrtios reticulatus Four new β-carboline alkaloids isolated from two Okinawan marine sponges of Xestospongia sp. and Haliclona sp.)