http://reply.papertrans.cn/1/34/3353/3353-11.png
http://reply.papertrans.cn/1/34/3353/3353-12.png
Submitted on: 18 April 1998.
Revised on: 31 July 1998.
Accepted on: 18 August 1998.
___________________Beilstein Journal of Organic Chemistry
http://reply.papertrans.cn/1/34/3353/3353-14.png
http://reply.papertrans.cn/1/34/3353/3353-15.png
Submitted on: 24 February 2004.
Revised on: 11 June 2004.
Accepted on: 22 June 2004.
___________________Beilstein Journal of Organic Chemistry
Submitted on: 18 January 1999.
Revised on: 23 March 1999.
Accepted on: 04 May 1999.
___________________Beilstein Journal of Organic Chemistry
Submitted on: 13 January 2010.
Revised on: 11 February 2010.
Accepted on: 25 February 2010.
___________________Beilstein Journal of Organic Chemistry
Submitted on: 03 May 2007.
Revised on: 10 June 2007.
Accepted on: 24 July 2007.
___________________Beilstein Journal of Organic Chemistry
Submitted on: 30 July 2000.
Revised on: 28 September 2000.
Accepted on: 19 November 2000.
___________________Beilstein Journal of Organic Chemistry