英文别名4-(4-Amino-1-oxoisoindolin-2-yl)-4-carbamoyl Butyric Acid; 2H-Isoindole-2-butanoic acid, 4-amino-γ-(aminocarbonyl)-1,3-dihydro-1-oxo; Lenalidomide impurity 1; 5-amino-4-(7-amino-3-oxo-1H-isoindol-2-yl)-5-oxopentanoic acid; 2-(4-Amino-1,3-dihydro-1-oxo-2H-isoindol-2-yl)pentanedioic acid; 5-Amino-4-(4-amino-1,3-dihydro-1-oxo-2H-isoindol-2-yl)-5-oxopentanoic Acid; Lenalidomide Impurity 56; Lenalidomide Impurity 32; Lenalidomide 5-Amino-5-Oxopentanoic Acid; Lenalidomide impurity AXN 
