title: Restricted rotation of the amino group in 1-methylcytosine.
mesh_terms: D000588:Amines; D055598:Chemical Phenomena; D002621:Chemistry; D003596:Cytosine; D004126:Dimethylformamide; D009682:Magnetic Resonance Spectroscopy; D009587:Nitrogen Isotopes; D011522:Protons; D012399:Rotation; D013696:Temperature
chemical_list: D000588:Amines; D009587:Nitrogen Isotopes; D011522:Protons; D004126:Dimethylformamide; D003596:Cytosine