6-Amino-4-hydroxyamino-2- (β-D-ribofuranosyl) -2H-pyrazolo[3,4-d]pyrimidine

This purine nucleoside analog demonstrates broad-spectrum antitumor activity, with notable efficacy against indolent lymphoid malignancies. Its primary anticancer mechanisms involve the inhibition of DNA synthesis and the induction of apoptosis, as supported by in vitro and in vivo research studies.