Link to Pubmed [PMID] – 19214326
Chem. Commun. (Camb.) 2009 Feb;(8):950-2
The acquisition of a complementary heteronuclear 2D NMR experiment with 10-ppm carbon window allows chemists to improve by a factor 20-25 the spectral resolution and determine carbon chemical shifts with five figures from 2D spectra.