Chemical constituents in heartwood of Taxus yunnanensis A new cassane diterpene from seeds of Caesalpinia decapetala A new chain-like cembranoid diterpene from leaves of Nicotiana tabacum Antitumor constituents from seeds of Caesalpinia minax Antitumor constituents from seeds of Caesalpinia minax Anticancer activity of diterpenes from Veronica sibirica in vitro A NEW DITERPENE FROM PARAQUILEGIA ANEMONOIDES Secondary metabolites of marine fungus Eutypella scoparia from the South China Sea and their antitumor activities Chemical constituents from barks of Cinnamomum cassia growing in China Studies on the Diterpenes from the Leaves of Taxodium ascendens(Ⅰ) Studies on diterpenes in needles of Pinus sylvestris Anticancer activity of diterpenes from Veronica sibirica in vitro Chemical constituents of Siegesbeckia pubescens Studies on chemical constituents of Rabdosia serra A new linear diterpene from stem barks of Aphanamixis polystachya Research progress on cembranoid type ring diterpenes Secondary metabolites of marine fungus Eutypella scoparia from the South China Sea and their antitumor activities Diterpenoids from seeds of Caesalpinia sappan Diterpenoids from a kind of soft coral Lobophytum sp. Diterpenes from Tripterygium wilfordii and their anti-cancer activities Study on in vivo antioxidant effect of TPD in Rosmarinus officinalis