(1R,5S)-3-(benzhydryloxy)-8-methyl-8-azabicyclo[3.2.1]octane methanesulfonate-13CD3; (1R,5S)-3-(benzhydryloxy)-8-methyl-8-azabicyclo[3.2.1]octane methanesulfonate-13CD3; (3-endo)-3-(Diphenylmethoxy)-8-methyl-8-azabicyclo[3.2.1]octane Methanesulfonate13CD3; Benztropine methanesulfonate13CD3; Cogentin-13CD3; Cogentinol-13CD3