C-HtriplebondO hydrogen bond mediated chain reversal in a peptide containing a gamma-amino acid residue, determined directly from powder X-ray diffraction data
Angew Chem Int Ed Engl. 2002 Feb 1;41(3):494-6.
doi: 10.1002/1521-3773(20020201)41:3<494::aid-anie494>3.0.co;2-s.