https://erowid.org/references/refs_view.php?ID=460&S=Reid_LD&SField=Author
Erowid.org: Erowid Reference 460 : MDL72222, a serotonin 5-HT3 receptor antagonist, blocks MDMA's...
The Index page for the reference article: Bilsky EJ, Reid LD MDL72222, a serotonin 5-HT3 receptor antagonist, blocks MDMA's ability to establish a conditioned...
5 ht3 receptor antagonist