Liu, Hong Synthesis and structure-activity relationship of di-(3, 8-diazabicyclo[3.2.1]octane) diquaternary ammonium salts as unique analgesics. [electronic resource] - Archiv der Pharmazie Nov 2003 - 510-3 p. digital Publication Type: Journal Article ISSN: 0365-6233 Standard No.: 10.1002/ardp.200300749 doi Subjects--Topical Terms: Analgesics--chemical synthesisAnimalsCyclizationDisease Models, AnimalHeterocyclic Compounds, 2-Ring--chemical synthesisMiceMolecular StructurePain--drug therapyStructure-Activity Relationship