title: Electronic structure of thiouracils and their interaction with adenine.
mesh_terms: D000225:Adenine; D055598:Chemical Phenomena; D002621:Chemistry; D003461:Crystallography; D004583:Electrons; D008968:Molecular Conformation; D010100:Oxygen; D011789:Quantum Theory; D013889:Thiouracil
chemical_list: D013889:Thiouracil; D000225:Adenine; D010100:Oxygen