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.
Kulkarni AR, Thakur GA.Kulkarni AR, et al. Among authors: thakur ga.Tetrahedron Lett. 2013 Nov 27;54(48):10.1016/j.tetlet.2013.09.107. doi: 10.1016/j.tetlet.2013.09.107.Tetrahedron Lett. 2013.PMID: 24421568Free PMC article.