The molecule is an organic cation obtained by protonation of the endocyclic tertiary amino group of palonosetron. It is an ammonium ion derivative and an organic cation. It is a conjugate acid of a palonosetron.
(3aS)-2-[(3S)-1-azoniabicyclo[2.2.2]octan-3-yl]-3a,4,5,6-tetrahydro-3H-benzo[de]isoquinolin-1-one