Marine natural products. XXXVI. Biologically active polyacetylenes, adociacetylenes A, B, C, and D, from an Okinawan marine sponge of Adocia sp - Kobayashi, M; Mahmud, T; Tajima, H; Wang, W; Aoki, S; Nakagawa, S; Mayumi, T; Kitagawa, I (Chem Pharm Bull, 1996)