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Submitted on: 29 May 2002.
Revised on: 11 July 2002.
Accepted on: 28 July 2002.
Vietnam Journal of Chemistry---WILEY
Submitted on: 27 July 2011.
Revised on: 30 August 2011.
Accepted on: 09 September 2011.
Vietnam Journal of Chemistry
Submitted on: 07 March 2006.
Revised on: 19 April 2006.
Accepted on: 06 May 2006.
Vietnam Journal of Chemistry---WILEY
Submitted on: 19 November 2021.
Revised on: 28 December 2021.
Accepted on: 16 January 2022.
Vietnam Journal of Chemistry---WILEY
Submitted on: 20 May 2007.
Revised on: 30 May 2007.
Accepted on: 04 June 2007.
Vietnam Journal of Chemistry
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Submitted on: 02 February 2011.
Revised on: 17 March 2011.
Accepted on: 31 March 2011.
Vietnam Journal of Chemistry
Submitted on: 26 November 2016.
Revised on: 26 December 2016.
Accepted on: 09 January 2017.
Vietnam Journal of Chemistry