title: A molecular orbital study of the conformation of barbiturates.
mesh_terms: D000654:Amobarbital; D001463:Barbiturates / Q000494:pharmacology; D004583:Electrons; D006591:Hexobarbital; D008961:Models, Structural; D010634:Phenobarbital; D011789:Quantum Theory; D013329:Structure-Activity Relationship; D014961:X-Ray Diffraction
chemical_list: D001463:Barbiturates; D006591:Hexobarbital; D000654:Amobarbital; D010634:Phenobarbital