title: Structural chemistry of cyclic nucleotides. 3. Proton magnetic resonance studies of  -pyrimidine nucleotides.
mesh_terms: D003500:Cyclization; D003597:Cytosine Nucleotides; D009682:Magnetic Resonance Spectroscopy; D008968:Molecular Conformation; D009711:Nucleotides; D011742:Pyrimidine Nucleotides; D013696:Temperature; D014500:Uracil Nucleotides
chemical_list: D003597:Cytosine Nucleotides; D009711:Nucleotides; D011742:Pyrimidine Nucleotides; D014500:Uracil Nucleotides