QL130621

拉米夫定杂质 21

Lamivudine Impurity 21

别名：(2R,5S)-(1R,2S,5R)-2-isopropyl-5-methylcyclohexyl 5-(4-amino-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate;(1R,2S,5R)-2-isopropyl-5-methylcyclohexyl (2R,5S)-5-(4-amino-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate