title: A  13 C and  1 H nuclear magnetic resonance study of the conformations of 2',3'-cyclic nucleotides.
mesh_terms: D002247:Carbon Isotopes; D000242:Cyclic AMP; D006152:Cyclic GMP; D003597:Cytosine Nucleotides; D009682:Magnetic Resonance Spectroscopy; D008968:Molecular Conformation; D013696:Temperature; D014500:Uracil Nucleotides
chemical_list: D002247:Carbon Isotopes; D003597:Cytosine Nucleotides; D014500:Uracil Nucleotides; D000242:Cyclic AMP; D006152:Cyclic GMP