Synthetic small molecule reported to induce murine myoblasts to dedifferentiate into multipotent progenitor cells. Discovery of induction of cell dedifferentiation: S. Chen et al., J. Am. Chem. Soc. 126, 410 (2004). Prepn: S. Chen et al., WO 05047524; eidem, US 050176707 (both 2005 to Scripps); see also combinatorial synthesis method: S. Ding et al., J. Am. Chem. Soc. 124, 1594 (2002). A3 adenosine receptor antagonist activity: M. Perreira et al., J. Med. Chem. 48, 4910 (2005).