Agelastatins C and D, New Pentacyclic Bromopyrroles from the Sponge Cymbastela sp., and Potent Arthropod Toxicity of (−)-Agelastatin A

Agelastatins C and D, New Pentacyclic Bromopyrroles from the Sponge <i>Cymbastela</i> sp., and Potent Arthropod Toxicity of (−)-Agelastatin A Agelastatins C and D, New Pentacyclic Bromopyrroles from the Sponge Cymbastela sp., and Potent Arthropod Toxicity of (−)-Agelastatin A Agelamadins A and B, Dimeric Bromopyrrole Alkaloids from a Marine Sponge Agelas sp. Agelastatin a, a new skeleton cytotoxic alkaloid of the oroidin family. Isolation from the axinellid sponge Agelas dendromorpha of the coral sea Agelastatin E, Agelastatin F, and Benzosceptrin C from the Marine Sponge <i>Agelas dendromorpha</i> Agelastatin E, Agelastatin F, and Benzosceptrin C from the Marine Sponge Agelas dendromorpha Agelamadins C–E, Bromopyrrole Alkaloids Comprising Oroidin and 3-Hydroxykynurenine from a Marine Sponge Agelas sp. Benzosceptrin C, a new dimeric bromopyrrole alkaloid from sponge Agelas sp. New Bromopyrrole Alkaloids from the Indopacific Sponge <i>Agelas nakamurai</i> New Bromopyrrole Alkaloids from the Indopacific Sponge <i>Agelas nakamurai</i>