title: Quantitative stereo-structure-activity relationships I. Opiate receptor binding.
mesh_terms: D008968:Molecular Conformation; D008970:Molecular Weight; D009294:Narcotics / Q000378:metabolism / Q000494:pharmacology*; D011957:Receptors, Opioid / Q000378:metabolism*; D013329:Structure-Activity Relationship
chemical_list: D009294:Narcotics; D011957:Receptors, Opioid