英文别名4-(2,5-dioxopyrrol-1-yl)butanehydrazide; 4-Maleimidobutyric Acid hydrazide; 1H-Pyrrole-1-butanoic acid, 2,5-dihydro-2,5-dioxo-, hydrazide; 4-MALEIMIDOBUTYRC ACID HYDRAZIDE; 4-maleimidobutyric acid htdrazide; 2,5-Dihydro-2,5-dioxo-1H-pyrrole-1-butanoic acid hydrazide