2-(5-溴-4-氧代戊基)-1H-异吲哚-1,3(2H)-二酮

2-(4-溴-3-氧代丁基)-1H-异吲哚-1,3(2H)-二酮

2-(3-hydroxyiminobutyl)isoindole-1,3-dione

[4-(1,3-dioxoisoindol-2-yl)-2-oxobutyl] acetate

2-[2-(2-methyl-1,3-dioxolan-2-yl)ethyl]isoindole-1,3-dione