Two new alkaloids from marine spongeCallyspongiasp.

Two new alkaloids from marine spongeCallyspongiasp. Callyspongamide A, a New Cytotoxic Polyacetylenic Amide from the Red Sea Sponge <i>Callyspongia </i><i>f</i><i>istularis</i> Callyspongenols A−C, New Cytotoxic C₂₂-Polyacetylenic Alcohols from a Red Sea Sponge, <i>Callyspongia</i> Species Spongimides A and B, two new alkaloids from the marine sponge Spongia sp. Calyxamines A and B, Novel Piperidine Alkaloids from the Caribbean Sea Sponge Calyx podatypa Isolation and Identification of Secondary Metabolite from Marine Sponge Callyspongia sp. and its Antibacterial Potency Callyspongisines A–D: bromopyrrole alkaloids from an Australian marine sponge, Callyspongia sp. Two New Alkaloids from Xestospongia sp., a New Caledonian Sponge Two New Alkaloids from Xestospongia sp., a New Caledonian Sponge An Acetylenic Alkaloid from the Calcareous Sponge Leucetta sp.