Synonyms: Trimethidinium methosulfate [INN];Camphidonium;Trimethidinium methosulfate;1,3,8,8-Tetramethyl-3-(3-(trimethylammonio)propyl)-3-azoniabicyclo(3.2.1)octane bis(methyl sulfate);3-(3-(Dimethylamino)propyl)-1,3,8,8-tetramethyl-3-azoniabicyclo(3.2.1)octane methyl sulfate;Euprex;HA 106;N-(3-Trimethylammoniumpropyl)-N-methylcamphidinium bis(methylsulfate);N-(gamma-Trimethylammoniumpropyl)-N-methyl-camphidinium-dimethylsulphate;Ostenol;Ostensin;WY-1395;3-Azoniabicyclo(3.2.1)octane, 1,3,8,8-tetramethyl-3-(3-(trimethylammonio)propyl)-, bis(methyl sulfate);S,S'-Dimethyl 1,3,8,8-tetramethyl-3-(3-(trimethylammonio)propyl)-3-azoniabicyclo(3.2.1)octane disulphate