Reversine
Reversine, or 2--6-cyclohexylaminopurine, is a small molecule developed by the group of Peter G. Schultz, used for stem cell dedifferentiation.
It also has the potential to induce selectively cell death of cancer cells.
Reversine is known to act as an antagonist of the adenosine A3 receptor. Reversine is a potent inhibitor of the mitotic kinase Mps1 and it is widely used to study the process of chromosome segregation.