Three New Podocarpane-Type Diterpenoids from Callus of Securinega suffruticosa

Three New Podocarpane-Type Diterpenoids from Callus of Securinega suffruticosa Podoimbricatin A, a cytotoxic diterpenoid with an unprecedented 6/6/5/6-fused tetracyclic ring system from the twigs and leaves of Podocarpus imbricatus Podoimbricatin A, a cytotoxic diterpenoid with an unprecedented 6/6/5/6-fused tetracyclic ring system from the twigs and leaves of Podocarpus imbricatus Cytotoxic 3,4-<i>seco</i>-Cycloartane Triterpenes from <i>Gardenia sootepensis</i> Securinega Alkaloids from the Wood of <i>Securinega suffruticosa</i> var. <i>amamiensis</i> Securinega Alkaloids from the Wood of <i>Securinega suffruticosa</i> var. <i>amamiensis</i> Synthesis and antiproliferative activity of podocarpane and totarane derivatives Two New <i>Securinega</i> Alkaloids from <i>Securinega suffruticosa</i> Two New Securinega Alkaloids from Securinega suffruticosa Cytotoxic Diterpenoids from <i>Sapium insigne</i>