英文别名((2R,3S,4R,5R)-5-(2,6-Diamino-9H-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methyl dihydrogen phosphate; [(2R,3S,4R,5R)-5-(2,6-diaminopurin-9-yl)-3,4-dihydroxyoxolan-2-yl]methyl dihydrogen phosphate; 5'-Adenylic acid,2-amino; 5'-Adenylic acid, 2-amino-; Fludarabine Phosphate Impurity 9; Fludarabine EP impurity I 
