title: Analgesic effects of alpha-d-2-acetoxy-1, 2-diphenyl-3-methyl-4-pyrrolidinobutane hydrochloride (compound 31518).
mesh_terms: D000700:Analgesics / Q000009:adverse effects / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009020:Morphine / Q000009:adverse effects / Q000627:therapeutic use; D010146:Pain / Q000188:drug therapy; D011759:Pyrrolidines / Q000009:adverse effects / Q000627:therapeutic use*
chemical_list: D000700:Analgesics; D011759:Pyrrolidines; D009020:Morphine