1H-Pyrrole-1-butanoic acid, 2,5-dihydro-2,5-dioxo-
2,5-Dihydro-2,5-dioxo-1H-pyrrole-1-butanoic acid
γ-Maleimidobutyric acid
4-Maleimidobutyric acid
ω-Maleimidobutyric acid
N-(3-Carboxypropyl)maleimide
4-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)butanoic acid
4-Maleimidobutanoic acid