英文别名Cytarabine Impurity; 4-amino-1-(2,5-anhydropentofuranosyl)pyrimidin-2(1H)-one; 2(1H)-Pyrimidinone, 4-amino-1-(2,5-anhydro-β-D-arabinofuranosyl)- (9CI); 2',5'-Anhydroarabinosylcytosine; 4-amino-1-(7-hydroxy-2,5-dioxabicyclo[2.2.1]heptan-3-yl)pyrimidin-2-one; 4-Amino-1-((1R,3R,4S,7R)-7-hydroxy-2,5-dioxabicyclo[2.2.1]heptan-3-yl)pyrimidin-2(1H)-one 
