Furanocembranoids from the Stem Bark of Croton oblongifolius

Furanocembranoids from the Stem Bark of <i>Croton </i><i>oblongifolius</i> Neocrotocembranal from <i>Croton </i><i>o</i><i>blongifolius</i> 2-Arylbenzofuran Derivatives from <i>Morus cathayana</i> 2-Arylbenzofuran Derivatives from <i>Morus cathayana</i> Two New Lignans from the Stem Bark of Magnolia obovata and Their Cytotoxic Activity Cytotoxic Cyclopenta[<i>b</i>]benzofuran Derivatives from the Stem Bark of <i>Aglaia formosana</i> Lactonecembranoids from <i>Croton laevigatus</i> Novel Cytotoxic 4-Phenylfuranocoumarins from <i>Calophyllum </i><i>d</i><i>ispar</i> Cytotoxic benzylbenzofuran derivatives from Dorstenia kameruniana Cytotoxic Diterpenoids from Croton argyrophylloides