Nakadomarin A, a Novel Hexacyclic Manzamine-Related Alkaloid from Amphimedon Sponge

Nakadomarin A, a Novel Hexacyclic Manzamine-Related Alkaloid from Amphimedon Sponge Zamamiphidin A, a New Manzamine Related Alkaloid from an Okinawan Marine Sponge Amphimedon sp. Zamamiphidins B and C, Manzamine-Related Alkaloids from an Amphimedon sp. Marine Sponge Collected in Okinawa Keramaphidin B, a novel pentacyclic alkaloid from a marine sponge Amphimedon sp. : A plausible biogenetic precursor of manzamine alkaloids Zamamidines A and B, New Manzamine Alkaloids from the Sponge Amphimedon Species A New Manzamine Congener from Marine Sponge Amphimedon sp. Ma'eganedin A, a new manzamine alkaloid from Amphimedon sponge Nakinadine A, a novel bis-pyridine alkaloid with a β-amino acid moiety from sponge Amphimedon sp. Structures and Biogenesis of Manzamines and Related Alkaloids Zamamidine D, a Manzamine Alkaloid from an Okinawan <i>Amphimedon</i> sp. Marine Sponge