1-uracil
1-[6-(Diethoxyphosphinyl)-2-O-methyl-β-D-ribo-hexofuranosyl]uracil 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.