?url_ver=Z39.88-2004&rft_id=doi%3A10.1016%2FS0040-4039(97)00466-8&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Ganguly%2C+Ashish&rft.aulast=Ganguly&rft.aufirst=Ashish&rft.issue=15&rft.volume=38&rft.date=1997&rft.issn=00404039&rft.atitle=1H+NMR+spectroscopic+signatures+of+an+intraresidue+hydrogen+bonded+C5+-+structure&rft.title=Tetrahedron+Letters&rft.pages=2767-2770&rft.genre=article