title: Structure-activity relationships of phenethylamine.  a comparison of quantum mechanical SCF "Ab initio" and semiempirical calculations.
mesh_terms: D006863:Hydrogen-Ion Concentration; D008968:Molecular Conformation; D010627:Phenethylamines; D011522:Protons; D011789:Quantum Theory; D013329:Structure-Activity Relationship
chemical_list: D010627:Phenethylamines; D011522:Protons