| 英文同义词: | 5-epi EMtricitabine;Emtricitabine 5-Epimer;Emtricitabine Impurity 20;(2R,5R)-Emtricitabine;4-amino-5-fluoro-1-[(2R,5R)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]pyrimidin-2-one;Emtricitabine impurity 2/5-epi Emtricitabine/4-amino-5 fluoro-1-[(2R,5R)-2-hydroxymethyl)-1,3-oxathiolane-5-yl]pyrimidin-2(1H)-one;Emtricitabine IP Impurity B;2(1H)-Pyrimidinone, 4-amino-5-fluoro-1-[(2R,5R)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]- |