Casopitant mesylate (GW679769B) is a selective, brainpermeable, and orally active antagonist of neurokinin 1 (NK1) receptor. It is a second in the class of antiemetics.
EML741 also inhibits DNMT1 (IC50, 3.1 μM), with no effect on DNMT3a or DNMT3b. EML741 exhibits low cell toxicity, and is membrane permeable and blood-brain barrier penetrated. EML741 is a histone lysine methyltransferase G9a GLP inhibitor, with an IC50 of 23 nM, Kd of 1.13 μM for G9a.