The molecule is an ammonium ion that results in the protonation of the nitrogen atom of pizotifen. It is a benzocycloheptathiophene and an ammonium ion derivative. It is a conjugate acid of a pizotifen.
1-methyl-4-(6-thiatricyclo[8.4.0.03,7]tetradeca-1(14),3(7),4,10,12-pentaen-2-ylidene)piperidin-1-ium