The chemistry of some new analgetics.
D000700:Analgesics; D002626:Chemistry, Pharmaceutical; D007546:Isoquinolines; D009019:Morphinans; D009020:Morphine; D010880:Piperidines; D011799:Quinazolines
D000700:Analgesics; D007546:Isoquinolines; D009019:Morphinans; D010880:Piperidines; D011799:Quinazolines; D009020:Morphine