Two New Diterpenoids from Isodon rubescens

• Bao Lin LI ^a,b,c, ,
• Shao Nong CHEN ^a,b,c, ,
• Zhi Xian SHI ^a,b,c, ,
• Xuan TIAN ^a,b,c, ,
• Yao Zu CHEN ^a,b,c,

• a National Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000;

• b Shanghai Institute of Materia Medica, Academia Sinica, Shanghai 200031;

• c Northwest Plateau Institute of Biology, Academia Sinica, Xining 810001

• Received Date: 27 May 1999
  Revised Date: 08 November 1999