Submitted on: 27 December 1998.
Revised on: 06 April 1999.
Accepted on: 26 May 1999.
___________________CHEMISTRY OF NATURAL COMPOUNDS
Submitted on: 06 December 2008.
Revised on: 16 February 2009.
Accepted on: 08 April 2009.
___________________CHEMISTRY OF NATURAL COMPOUNDS
Submitted on: 09 January 2025.
Revised on: 09 May 2025.
Accepted on: 16 June 2025.
___________________CHEMISTRY OF NATURAL COMPOUNDS
Submitted on: 13 February 2004.
Revised on: 04 June 2004.
Accepted on: 30 July 2004.
___________________CHEMISTRY OF NATURAL COMPOUNDS
http://reply.papertrans.cn/1/52/5148/5148-15.png
Submitted on: 14 November 1999.
Revised on: 10 December 1999.
Accepted on: 23 January 2000.
___________________CHEMISTRY OF NATURAL COMPOUNDS
http://reply.papertrans.cn/1/52/5148/5148-17.png
Submitted on: 08 July 2014.
Revised on: 28 October 2014.
Accepted on: 23 November 2014.
___________________CHEMISTRY OF NATURAL COMPOUNDS
http://reply.papertrans.cn/1/52/5148/5148-19.png
http://reply.papertrans.cn/1/52/5148/5148-20.png