http://reply.papertrans.cn/1/17/1633/1633-31.png
http://reply.papertrans.cn/1/17/1633/1633-32.png
Submitted on: 30 April 1999.
Revised on: 02 July 1999.
Accepted on: 01 August 1999.
___________________ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Submitted on: 02 June 2002.
Revised on: 26 September 2002.
Accepted on: 07 November 2002.
___________________ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
http://reply.papertrans.cn/1/17/1633/1633-35.png
http://reply.papertrans.cn/1/17/1633/1633-36.png