Synonyms: 1aH,5aH-Tropanium, 3a-hydroxy-8-(3-sulfopropyl)-, hydroxide, inner salt, (?à)-tropate (8CI);8-Azoniabicyclo[3.2.1]octane,3-(3-hydroxy-1-oxo-2-phenylpropoxy)-8-methyl-8-(3-sulfopropyl)-, inner salt,endo- (9CI); 8-Azoniabicyclo[3.2.1]octane,3-(3-hydroxy-1-oxo-2-phenylpropoxy)-8-methyl-8-(3-sulfopropyl)-, inner salt,endo-(?à)-; 8-(3-Sulfopropyl)atropiniumhydroxide inner salt; A 118; A 118 (pharmaceutical); Atropine sulfobetaine;Sultropan; Sultroponium; Tropyl tropate sulfobetaine