Variceramides, three new sphingolipids from the marine sponge Ircinia variabilis

Variceramides, three new sphingolipids from the marine sponge <i>Ircinia variabilis</i> Two New Ceramides from the Marine Sponge <i>Ircinia fasciculata</i> Ircinamine, a Novel Cytotoxic Alkaloid from <i>Ircinia</i> sp. Axiceramide A and B, Two Novel tri‐α‐Glycosylceramides from the Marine Sponge <i>Axinella sp.</i> A Novel Ceramide from the Indian Marine Sponge <i>Fasciospongia Cavernosa</i> New Cytotoxic Furanosesterterpenes from an Okinawan Marine Sponge, <i>Ircinia</i> sp. New Ceramide from Marine Sponge <i>Haliclona koremella</i> and Related Compounds as Antifouling Substances against Macroalgae Renierosides, Cerebrosides from a Marine Sponge <i>Haliclona</i> (<i>Reniera</i>) sp. Renierosides, Cerebrosides from a Marine Sponge <i>Haliclona</i> (<i>Reniera</i>) sp. New Sphingolipids from Marine Sponge Iotrochota baculifera