Dragmacidins G and H, Bisindole Alkaloids Tethered by a Guanidino Ethylthiopyrazine Moiety, from a Lipastrotethya sp. Marine Sponge

Dragmacidins G and H, Bisindole Alkaloids Tethered by a Guanidino Ethylthiopyrazine Moiety, from a Lipastrotethya sp. Marine Sponge Dragmacidin, a new cytotoxic bis(indole) alkaloid from a deep water marine sponge, Dragmacidon sp Brominated bis(indole) alkaloids from the marine sponge hexadella SP Cytotoxic Bisindole Alkaloids from a Marine Sponge <i>Spongosorites</i> sp. Advances in the synthesis of dragmacidin E Dragmacidin F: A New Antiviral Bromoindole Alkaloid from the Mediterranean Sponge Halicortex sp. Dragmacidins:  New Protein Phosphatase Inhibitors from a Southern Australian Deep-Water Marine Sponge, <i>Spongosorites</i> sp. Dragmacidins:  New Protein Phosphatase Inhibitors from a Southern Australian Deep-Water Marine Sponge, <i>Spongosorites</i> sp. New β-Carboline Alkaloids from the Andaman Sea Sponge Dragmacidon sp. Cytotoxic Alkylpiperidine Alkaloids from the Brazilian Marine Sponge Pachychalina alcaloidifera