Two Bioactive Pentacyclic Triterpene Esters from the Root Bark of Hibiscus syriacus

Two Bioactive Pentacyclic Triterpene Esters from the Root Bark of Hibiscus syriacus An Antioxidant Lignan and Other Constituents from the Root Bark of<i>Hibiscus syriacus</i> An Antioxidant Lignan and Other Constituents from the Root Bark of<i>Hibiscus syriacus</i> Coumarins with Monoamine Oxidase Inhibitory Activity and Antioxidative Coumarino-lignans from <i>Hibiscus </i><i>s</i><i>yriacus</i> Cytotoxicity of phenylpropanoid esters from the stems of Hibiscus taiwanensis Caffeoyl Triterpenoid Esters as Potential Anti-ischemic Stroke Agents from <i>Celastrus orbiculatus</i> Hibispeptin A, a novel cyclic peptide from Hibiscus syriacus Cytotoxic Cycloartane Triterpene Saponins from <i>Actaea </i><i>asiatica</i> A New Cytotoxic Amide from the Stem Wood of<i>Hibiscus tiliaceus</i> Cytotoxic Cardiac Glycosides and Other Compounds from <i>Asclepias syriaca</i>