英文别名1-(2-Deoxy-2-fluoro-2-methyl-α-D-ribofuranosyl)-2,4(1H,3H)-pyrimidinedione; alpha-Sofosbuvir Desphosphate; (2'R)-2'-Deoxy-2'-fluoro-2'-methyl-uridine; 2,4(1H,3H)-Pyrimidinedione, 1-[(2R)-2-deoxy-2-fluoro-2-methyl-a-D-ribofuranosyl]-; 1-[(2R)-2-Deoxy-2-fluoro-2-methyl-a-D-erythro-pentofuranosyl]-2,4(1H,3H)-pyrimidinedione; 1-[(2R)-2-Deoxy-2-fluoro-2-methyl-alpha-D-erythro-pentofuranosyl]-2,4(1H,3H)-pyrimidinedione; 1-[(2S,3R,4R,5R)-3-fluoro-4-hydroxy-5-(hydroxymethyl)-3-methyloxolan-2-yl]-1,2,3,4-tetrahydropyrimidine-2,4-dione; 2,4(1H,3H)-Pyrimidinedione, 1-[(2R)-2-deoxy-2-fluoro-2-methyl-alpha-D-erythro-pentofuranosyl]; Sofosbuvir impurity 20 
