Previous Article Next Article Table of Contents Journal of the American Chemical Society, Vol.123, No.18, 4338-4339, 2001 DOI10.1021/ja005890x Export Citation C-13 detected scaler nitrogen-nitrogen couplings across the intramolecular symmetric NHN hydrogen bond of proton sponge Pietrzak M, Wehling J, Limbach HH, Golubev NS, Lopez C, Claramunt RM, Elguero J Please enable JavaScript to view the comments powered by Disqus.