Two new antitumor diterpenes from Pinus sylvestris

• Qiang Wang ^a,b, ,
• Zhang Rong ^a, ,
• Jie Teng ^a, ,
• Yoshihisa Takaishi ^c, ,
• Hong Quan Duan ^a,

• a School of Pharmaceutical Sciences, Basic Medical Research Center of Tianjin, Tianjin Medical University, Tianjin 300070, China;

• b Henan Analysis and Testing Center, Zhengzhou 450002, China;

• c Faculty of Pharmaceutical Sciences, University of Tokushima, Shomachi 1-78, Tokushima 770-8505, Japan

• Received Date: 20 July 2007
  
• Fund Project:

  This project is sponsored by the Scientific Research Foundation, Tianjin Medical University, Tianjin, China.