Bioactive Isomalabaricane Triterpenes from the Marine Sponge Rhabdastrella globostellata

Bioactive Isomalabaricane Triterpenes from the Marine Sponge <i>Rhabdastrella </i><i>g</i><i>lobostellata</i> Rhabdastrellins A−F, Isomalabaricane Triterpenes from the Marine Sponge <i>Rhabdastrella</i> aff. <i>distincta</i> Cytotoxic Isomalabaricane Triterpenes from the Marine Sponge Rhabdastrella globostellata Cytotoxic Triterpenes from a Marine Sponge, <i>Stelletta</i> sp. Cytotoxic Isomalabaricane Derivatives and a Monocyclic Triterpene Glycoside from the Sponge <i>Rhabdastrella globostellata</i> Stellettins L and M, Cytotoxic Isomalabaricane-Type Triterpenes, and Sterols from the Marine Sponge Stelletta tenuis Globostellatic Acids A−D, New Cytotoxic Isomalabaricane Triterpenes from the Marine Sponge <i>Stelletta globostellata</i> New Isomalabaricane Triterpenes from the Marine Sponge Stelletta globostellata That Induce Morphological Changes in Rat Fibroblasts Bioactive Isomalabaricane Triterpenoids from <i>Rhabdastrella </i><i>g</i><i>lobostellata </i>that Stabilize the Binding of DNA Polymerase β to DNA Globostelletins A–I, cytotoxic isomalabaricane derivatives from the marine sponge Rhabdastrella globostellata