Conformational Dynamics and Exchange Kinetics of N‑Formyl and N‑Acetyl Groups Substituting 3‑Amino-3,6-dideoxy-α‑d‑galactopyranose, a Sugar Found in Bacterial O‑Antigen Polysaccharides - Engström, Olof; Mobarak, Hani; Ståhle, Jonas; Widmalm, Göran (The Journal of Physical Chemistry B, 2017)