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An illustration of the chemical diversity of sponge-derived molecules. a: Xestospongin C (Xestospongia sp. / macrocyclic bis-oxaquinolizidine. b: Spongothymidine (Cryptotethia crypta / unusual nucleoside). c: discorhabdin D (Latrunculia brevis; Prianos sp. / fused pyrrolophenanthroline alkaloid. d: Contignasterol (Petrosia contignata / oxygenated sterol). e: Jaspamide (Hemiastrella minor / macrocyclic lactam/lactone). f: agelasphin (Agelas mauritianus / α-galactosylceramide).
