英文同义词: | EMtricitabine Carboxylic Acid;Emtricitabine Carboxylic acid impurity;(2R,5S)-Emtricitabine Carboxylic Acid;Emtricitabine IP Impurity A;Emitricitabine – Impurity RR acid;Emtricitabine IP IMP A;Emtricitabine impurity 11/(2R,5S)-Emtricitabine Carboxylic Acid/(2R,5S)-5-(4-Amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylic acid;1,3-Oxathiolane-2-carboxylic acid, 5-(4-amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-, (2R,5S)- |