GSK 189254A is a histamine H3 receptor antagonist for the treatment of narcolepsy. Histamine H3 receptor antagonists have been shown to increase the release of neurotransmitters in the brain and to enhance cognition in vivo. The compound may also be usefu
GSK J5 HCl is the hydrochloride form of GSK J5. GSK J5 is an inactive isomer of GSK J4 and a cell-permeable ester derivative of inactive control GSK J2.