Plakinidines: Cytotoxic alkaloid pigments from the fijian sponge plakortis sp.

Plakinidines: Cytotoxic alkaloid pigments from the fijian sponge plakortis sp. Novel marine sponge alkaloids. 1. Plakinidine A and B, anthelmintic active alkaloids from a Plakortis sponge Novel marine sponge alkaloids. 1. Plakinidine A and B, anthelmintic active alkaloids from a Plakortis sponge Plakinamine L: A New Steroidal Alkaloid from the 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> Platisidines A-C, N-Methylpyridinium Alkaloids from an Okinawan Marine Sponge of Plakortis Species Plakoridine C, a novel piperidine alkaloid from an Okinawan marine sponge Plakortis sp. Isolation of Plakinamine I: A New Steroidal Alkaloid from the Marine Sponge Corticium sp. and Synthesis of an Analogue Model Compound Minor Steroidal Alkaloids from the Marine Sponge <i>Corticium</i> sp.