17489-61-1 2(1H)-Pyrimidinone, 4-amino-1-[5-O-(hydroxyphenoxyphosphinyl)-.beta.-D-arabinofuranosyl]- Aracytidine 5'-O-phenylphosphate Cytosine, 1-.beta.-D-arabinofuranosyl-, 5'-(phenyl hydrogen phosphate) Cytosinearabinoside 5'-O-phenylphosphate NSC128280