title: Tautomerism of nucleic acid bases. I. Cytosine.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D003596:Cytosine; D003597:Cytosine Nucleotides; D006863:Hydrogen-Ion Concentration; D007536:Isomerism; D009682:Magnetic Resonance Spectroscopy; D013696:Temperature
chemical_list: D003597:Cytosine Nucleotides; D003596:Cytosine