شوائب ثنائي الإمتريسيتابين

4,4'-(Methylenediimino)bis[5-fluoro-1-[(2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2(1H)-pyrimidinone] ; 5-fluoro-4-{[({5-fluoro-1-[(2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2-oxo-1,2-dihydropyrimidin-4-yl}amino)methyl]amino}-1-[(2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-1,2-dihydropyrimidin-2-one ; Emtricitabine N,N’-Methylene Dimer ; Symmetric Methylene Conjugated Emtricitabine Dimer ; Emtricitabine Dimer