An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Barluenga J, Aznar F, Gutiérrez I, García-Granda S, Llorca-Baragaño MA.Barluenga J, et al.Org Lett. 2002 Nov 28;4(24):4273-6. doi: 10.1021/ol026896p.Org Lett. 2002.PMID: 12443076
Barluenga J, Aznar F, Gutiérrez I, Martín JA.Barluenga J, et al.Org Lett. 2002 Aug 8;4(16):2719-22. doi: 10.1021/ol026225r.Org Lett. 2002.PMID: 12153218