英文同义词: | Emtricitabine Impurity 25;1,3-Oxathiolane-2-carboxylic acid, 5-(4-amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-, (1R,2S,5R)-5-methyl-2-(1-methylethyl)cyclohexyl ester, (2R,5R)-;(1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl (2R,5R)-5-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate |