2(1H)-Pyrimidinone, 4-amino-1-(5-chloro-5-deoxy-beta-D-arabinofuranosyl)- 32659-31-7 4-Amino-1-(5-chloro-5-deoxy-beta-D-arabinofuranosyl)-2(1H)-pyrimidinone 5'-Chloro-5'-deoxyarabinosylcytosine 5'-Chloroarabinosylcytosine NSC 318799