Two Steroidal Alkaloids from a Sponge, Corticium Sp.

Two Steroidal Alkaloids from a Sponge, Corticium Sp. Two Steroidal Alkaloids from a Sponge, Corticium Sp. Plakinamine L: A New Steroidal Alkaloid from the Marine Sponge Corticium sp New Steroidal Alkaloids from an Undescribed Sponge of the Genus <i>Corticium</i> Minor Steroidal Alkaloids from the Marine Sponge <i>Corticium</i> sp. Minor Steroidal Alkaloids from the Marine Sponge Corticium sp. A new steroidal alkaloid from a marine sponge Corticium sp New Cytotoxic Steroidal Alkaloids from the Philippine Sponge <i>Corticium </i><i>n</i><i>iger</i> New Cytotoxic Steroidal Alkaloids from the Philippine Sponge <i>Corticium </i><i>n</i><i>iger</i> Isolation of Plakinamine I: A New Steroidal Alkaloid from the Marine Sponge Corticium sp. and Synthesis of an Analogue Model Compound