Three New Onnamide Congeners from the Okinawan Marine Sponge Theonella Sp.

Three New Onnamide Congeners from the Okinawan Marine Sponge Theonella Sp. Three New Onnamide Congeners from the Okinawan Marine Sponge Theonella Sp. Eight new cytotoxic metabolites closely related to onnamide A from two marine sponges of the genus Theonella Theonelladins A ∼ D, novel antineoplastic pyridine alkaloids from the Okinawan marine sponge Theonellamides A-E, cytotoxic bicyclic peptides, from a marine sponge Theonella sp. Novel bisabolene-type sesquiterpenoids with a conjugated diene isolated from the okinawan sea sponge theonella cf. swinhoei Four new bisabolene-type aminosesquiterpenes from an Okinawan marine sponge, Theonella sp. (Theonellidae). Nakinadine A, a novel bis-pyridine alkaloid with a β-amino acid moiety from sponge Amphimedon sp. Konbamidin, a New Indole Alkaloid from the Okinawan Marine Sponge Ircinia sp. Nakinadines B–F: new pyridine alkaloids with a β-amino acid moiety from sponge Amphimedon sp.