http://reply.papertrans.cn/3/248/24732/24732-31.png
Submitted on: 05 August 2001.
Revised on: 30 August 2001.
Accepted on: 05 September 2001.
Phytochemistry Letters
Submitted on: 16 July 1998.
Revised on: 28 August 1998.
Accepted on: 08 September 1998.
Phytochemistry Letters
http://reply.papertrans.cn/3/248/24732/24732-34.png
Submitted on: 18 August 1998.
Revised on: 30 August 1998.
Accepted on: 05 September 1998.
Phytochemistry Letters
http://reply.papertrans.cn/3/248/24732/24732-36.png