N-[4-Amino-2-chloro-6-[(3,5-di-O-benzoyl-2-deoxy-2-fluoro-β-D-arabinofuranosyl)amino]-5-pyrimidinyl]-formamide is an intermediate in the synthesis of N-[4-Amino-2-chloro-6-[(2-deoxy-2-fluoro-β-D-arabinopyranosyl)amino]-5-pyrimidinyl]-formamide which is a clofarabine related compound. Clofarabine (C586890) is a second generation purine nucleoside analog; antimetabolite that inhibits DNA synthesis and resists deamination by adenosine deaminase. Antineoplastic.