9-(2'-O-Acetyl-5'-O-benzoyl-3'-deoxy-beta-D-ribofuranosyl)-6-chloropurine is a purine nucleoside analog. Purine nucleoside analogs have broad antitumor activity targeting indolent lymphoid malignancies. Anticancer mechanisms in this process rely on inhibition of DNA synthesis, induction of apoptosis, etc[1].