英文别名Lenalidomide Impurity 14; Lenalidomide Impurity A; Lenalidomide Impurity 21; 4-carbamoyl-4-(4-nitro-1-oxo-1,3-dihydroisoindol-2-yl)butyric acid; 2H-Isoindole-2-butanoic acid, γ-(aminocarbonyl)-1,3-dihydro-4-nitro-1-oxo-; 5-Amino-4-(1,3-dihydro-4-nitro-1-oxo-2H-isoindol-2-yl)-5-oxopentanoic Acid 
