title: Rotamer stability of histidine and histidine derivatives.
mesh_terms: D004355:Drug Stability; D004563:Electrochemistry; D004578:Electron Spin Resonance Spectroscopy; D006639:Histidine; D006863:Hydrogen-Ion Concentration; D007093:Imidazoles; D009682:Magnetic Resonance Spectroscopy
chemical_list: D007093:Imidazoles; D006639:Histidine