Ircinols A and B, first antipodes of manzamine-related alkaloids from an Okinawan marine sponge

Ircinols A and B, first antipodes of manzamine-related alkaloids from an Okinawan marine sponge Ircinals A and B from the Okinawan marine sponge Ircinia sp.: plausible biogenetic precursors of manzamine alkaloids Structures and Biogenesis of Manzamines and Related Alkaloids Three New Manzamine Congeners from <i>Amphimedon</i> Sponge Three New Manzamine Congeners from <i>Amphimedon</i> Sponge Chiral resolution of (±)-keramaphidin B and isolation of manzamine L, a new β-carboline alkaloid from a sponge Amphimedon sp. A New Manzamine Congener from Marine Sponge Amphimedon sp. 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 Nakadomarin A, a Novel Hexacyclic Manzamine-Related Alkaloid from Amphimedon Sponge