title: A molecular orbital study of the conformation of formycin.
mesh_terms: D000241:Adenosine; D004735:Energy Transfer; D009690:Nucleic Acid Conformation; D009705:Nucleosides; D011741:Pyrimidine Nucleosides; D011789:Quantum Theory; D012399:Rotation
chemical_list: D009705:Nucleosides; D011741:Pyrimidine Nucleosides; D000241:Adenosine