شوائب جيمسيتابين EP ب

 4-amino-1-(2-deoxy-2,2-difluoro-a-d-erythro-pentofuranosyl)pyrimidin-2(1H)-one ;1'-Epi Gemcitabine; 4-Amino-1-(2-deoxy-2,2-difluoro-α-D-erythro-pentofuranosyl)pyrimidin-2(1H)-one; 4-Amino-1-((2S,4R,5R)-3,3-difluoro-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)pyrimidin-2(1H)-one;