Clobenpropit dihydrobromide, VUF 9153 has been shown to be an extremely potent (pA2 = 9.93) and selective histamine H3 receptor antagonist. This compound has been found to enhance the release of GABA, which protects against NMDA-induced exitotoxicity. Further experiments suggest that clobenpropit dihydrobromide my inhibit the binding of iodophenpropit, and therefor may possess the ability to cross the blood-brain barrier.