Sarizotan HCl (EMD 128130 HCl) is an hERG channel inhibitor and 5-hydroxytryptamine 5-HT1A receptor agonist with potential antidepressant effects for the study of Parkinson's Dyskinesia.

Sarizotan (EMD 128130) is an orally active compound that acts as an agonist for serotonin 5-HT 1A receptors and dopamine receptors. It has shown potent activity with IC 50 values of 6.5 nM for rat 5-HT 1A , 0.1 nM for human 5-HT 1A , 15.1 nM for rat D 2 , 17 nM for human D 2 , 6.8 nM for human D 3 , and 2.4 nM for human D 4.2 .

Valomaciclovir is a DNA polymerase inhibitor potentially for treatment of acute herpes zoster and EB virus infection.