Synonyms: Spiro[1aH,5aH-nortropane-8,1'-pyrrolidinium], 3a-hydroxy-, chloride, benzilate(8CI);Spiro[8-azoniabicyclo[3.2.1]octane-8,1'-pyrrolidinium],3-[(hydroxydiphenylacetyl)oxy]-, chloride, (1a,3b,5a)- (9CI);Benzilic acid, esterwith 3a-hydroxyspiro[1aH,5aH-nortropane-8,1'-pyrrolidinium] chloride (8CI);AsXVII;Azoniaspiro compound XVII;Azoniaspiro(3a-benziloyloxynortropane-8,1'-pyrrolidine) chloride;Keptan;Relaspium;Sanctura;Spasmex;Spasmo 3;Spasmo-lyt;