N-[4-Amino-2-chloro-6-[(2-deoxy-2-fluoro-α-D-arabinopyranosyl)amino]-5-pyrimidinyl]-formamide is a clofarabine related compound. Clofarabine is a second generation purine nucleoside analog; antimetabolite that inhibits DNA synthesis and resists deamination by adenosine deaminase. Antineoplastic.