Submitted on: 10 May 2001.
Revised on: 14 July 2001.
Accepted on: 07 August 2001.
___________________JOURNAL OF NATURAL PRODUCTS---AMER CHEMICAL SOC
Submitted on: 21 May 2013.
Revised on: 04 July 2013.
Accepted on: 08 August 2013.
___________________JOURNAL OF NATURAL PRODUCTS---AMER CHEMICAL SOC
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Submitted on: 24 February 2022.
Revised on: 10 June 2022.
Accepted on: 24 June 2022.
___________________JOURNAL OF NATURAL PRODUCTS---AMER CHEMICAL SOC
Submitted on: 10 February 2002.
Revised on: 03 April 2002.
Accepted on: 15 May 2002.
___________________JOURNAL OF NATURAL PRODUCTS---AMER CHEMICAL SOC
Submitted on: 16 June 2001.
Revised on: 06 August 2001.
Accepted on: 22 August 2001.
___________________JOURNAL OF NATURAL PRODUCTS---AMER CHEMICAL SOC
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