Submitted on: 30 January 2017.
Revised on: 16 May 2017.
Accepted on: 09 June 2017.
___________________Canadian Journal of Chemistry---CANADIAN SCIENCE PUBLISHING
Submitted on: 08 January 2013.
Revised on: 04 February 2013.
Accepted on: 03 March 2013.
___________________Canadian Journal of Chemistry---CANADIAN SCIENCE PUBLISHING
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