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Submitted on: 27 February 2015.
Revised on: 08 April 2015.
Accepted on: 03 June 2015.
___________________HETEROCYCLES---JAPAN INST HETEROCYCLIC CHEMISTRY
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Submitted on: 27 February 1999.
Revised on: 18 April 1999.
Accepted on: 15 May 1999.
___________________HETEROCYCLES---JAPAN INST HETEROCYCLIC CHEMISTRY
Submitted on: 23 May 2002.
Revised on: 19 August 2002.
Accepted on: 13 September 2002.
___________________HETEROCYCLES---JAPAN INST HETEROCYCLIC CHEMISTRY
Submitted on: 19 September 2002.
Revised on: 24 October 2002.
Accepted on: 30 November 2002.
___________________HETEROCYCLES---JAPAN INST HETEROCYCLIC CHEMISTRY
Submitted on: 09 November 2014.
Revised on: 21 January 2015.
Accepted on: 02 March 2015.
___________________HETEROCYCLES---JAPAN INST HETEROCYCLIC CHEMISTRY