Three New Bistetrahydrofuran Acetogenins from the Seeds of Annona spinescens

Three New Bistetrahydrofuran Acetogenins from the Seeds of <i>Annona spinescens</i> Cytotoxic Bistetrahydrofuran Annonaceous Acetogenins from the Seeds of <i>Annona squamosa</i> Monotetrahydrofuran annonaceous acetogenins from the seeds of Annona squamosa Monotetrahydrofuran annonaceous acetogenins from the seeds of Annona squamosa A New Bistetrahydrofuran Acetogenin from the Roots of Annona salzmanii Mono-tetrahydrofuran Annonaceous Acetogenins from <i>Annona squamosa</i> as Cytotoxic Agents and Calcium Ion Chelators Novel Mono-Tetrahydrofuran Ring Acetogenins, from the Bark of <i>Annona squamosa</i>, Showing Cytotoxic Selectivities for the Human Pancreatic Carcinoma Cell Line, PACA-2 Four annonins from Annona squamosa Five Novel Mono-tetrahydrofuran Ring Acetogenins from the Seeds of <i>Annona muricata</i> Purpurediolin and Purpurenin, Two New Cytotoxic Adjacent Bis-tetrahydrofuran Annonaceous Acetogenins from the Seeds of Annona purpurea