Hymenin, a novel α-adrenoceptor blocking agent from the Okinawan marine spongeHymeniacidon sp.

Hymenin, a novel α-adrenoceptor blocking agent from the Okinawan marine spongeHymeniacidon sp. Spongiacidins A−D, New Bromopyrrole Alkaloids from <i>Hymeniacidon</i> Sponge α-Adrenoceptor blocking action of hymenin, a novel marine alkaloid Konbu'acidin A, a new bromopyrrole alkaloid with cdk4 inhibitory activity from Hymeniacidon sponge Hymenamides G, H, J, and K, four new cyclic octapeptides from the Okinawan marine sponge Hymeniacidon sp. Tauroacidins A and B, new bromopyrrole alkaloids possessing a taurine residue from Hymeniacidon sponge Hyrtinadine A, a Bis-indole Alkaloid from a Marine Sponge Hyrtinadine A, a Bis-indole Alkaloid from a Marine Sponge Hymenamides a and b, new proline-rich cyclic heptapeptides from the okinawan marine sponge hymeniacidon sp. Hymenamides C ~ E, new cyclic heptapeptides with two proline residues from the okinawan marine sponge hymeniacidon sp.