Bastadin 21, a Novel Isobastarane Metabolite from the Great Barrier Reef Marine Sponge Ianthella quadrangulata

Bastadin 21, a Novel Isobastarane Metabolite from the Great Barrier Reef Marine Sponge <i>Ianthella </i><i>q</i><i>uadrangulata</i> New bastadins from the sponge Ianthella basta Isolation of a Novel Bastadin from the Temperate Marine Sponge Ianthella Sp. Cytotoxic Bastadin 24 from the Australian Sponge <i>Ianthella quadrangulata</i> Cytotoxic Bastadin 24 from the Australian Sponge <i>Ianthella quadrangulata</i> Isolation and Structure of Hemibastadinols 1−3 from the Papua New Guinea Marine Sponge <i>Ianthella </i><i>basta</i> Isolation and Structure of Hemibastadinols 1−3 from the Papua New Guinea Marine Sponge <i>Ianthella </i><i>basta</i> Additional Insights on the Bastadins: Isolation of Analogues from the Sponge <i>Ianthella</i> cf. <i>reticulata</i> and Exploration of the Oxime Configurations Trimeric Hemibastadin Congener from the Marine Sponge <i>Ianthella basta</i> Trimeric Hemibastadin Congener from the Marine Sponge <i>Ianthella basta</i>