Acantholactam and pre-neo-kauluamine, manzamine-related alkaloids from the Indonesian marine sponge Acanthostrongylophora ingens - El-Desoky, A H; Kato, H; Eguchi, K; Kawabata, T; Fujiwara, Y; Losung, F; Mangindaan, R E; de Voogd, N J; Takeya, M; Yokosawa, H (J Nat Prod, 2014)