title: Tautomerism of nucleic acid bases. Guanine and cytosine.
mesh_terms: D002942:Circular Dichroism; D003596:Cytosine; D006147:Guanine; D006863:Hydrogen-Ion Concentration; D009682:Magnetic Resonance Spectroscopy; D011522:Protons; D013057:Spectrum Analysis; D013696:Temperature
chemical_list: D011522:Protons; D006147:Guanine; D003596:Cytosine