Three New Manzamine Congeners from Amphimedon Sponge

Three New Manzamine Congeners from <i>Amphimedon</i> Sponge Three New Manzamine Congeners from <i>Amphimedon</i> Sponge A New Manzamine Congener from Marine Sponge Amphimedon sp. Ma'eganedin A, a new manzamine alkaloid from Amphimedon sponge Zamamidines A and B, New Manzamine Alkaloids from the Sponge Amphimedon Species Zamamiphidins B and C, Manzamine-Related Alkaloids from an Amphimedon sp. Marine Sponge Collected in Okinawa Zamamiphidin A, a New Manzamine Related Alkaloid from an Okinawan Marine Sponge Amphimedon sp. Zamamidine D, a Manzamine Alkaloid from an Okinawan <i>Amphimedon</i> sp. Marine Sponge 6-Hydroxymanzamine A and 3,4-Dihydromanzamine A, New Alkaloids from the Okinawan Marine Sponge Amphimedon sp. 6-Hydroxymanzamine A and 3,4-Dihydromanzamine A, New Alkaloids from the Okinawan Marine Sponge Amphimedon sp.