Synonyms: (S,R)-Palonosetron Hydrochloride;(3aS)-;[R-(R*,S*)]-2-(1-Azabicyclo[2.2.2]oct-3-yl)-2,3,3a,4,5,6-hexahydro-1H-benz[de]isoquinolin-1-one monohydrochloride;(3aS)-2-(3R)-1-Azabicyclo[2.2.2]oct-3-yl-2,3,3a,4,5,6-hexahydro-1H-benz[de]isoquinolin-1-one Hydrochloride;(S,R)-Palonosetron;(3aS)-2-(3R)-1-Azabicyclo[2.2.2]oct-3-yl-2,3,3a,4,5,6-hexahydro-1H-benz[de]isoquinolin-1-one