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Submitted on: 04 September 2011.
Revised on: 04 October 2011.
Accepted on: 24 October 2011.
RESEARCH ON CHEMICAL INTERMEDIATES
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Submitted on: 21 January 1999.
Revised on: 28 February 1999.
Accepted on: 28 March 1999.
RESEARCH ON CHEMICAL INTERMEDIATES
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Submitted on: 04 January 2000.
Revised on: 01 February 2000.
Accepted on: 09 February 2000.
RESEARCH ON CHEMICAL INTERMEDIATES
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