英文别名(2,5-dioxopyrrolidin-1-yl) 3-[2-[2-[2-[2-[2-[2-(2,5-dioxopyrrol-1-yl)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoate; 2,5-dioxopyrrolidin-1-yl 1-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-3,6,9,12,15,18-hexaoxahenicosan-21-oate; 2,5-dioxopyrrolidin-1-yl 1-(2,5-dioxo-2H-pyrrol-1(5H)-yl)-3,6,9,12,15,18-hexaoxahenicosan-21-oate; 4,7,10,13,16,19-Hexaoxaheneicosanoic acid, 21-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-, 2,5-dioxo-1-pyrrolidinyl ester; 1-{21-[(2,5-Dioxo-1-pyrrolidinyl)oxy]-21-oxo-3,6,9,12,15,18-hexaoxahenicos-1-yl}-1H-pyrrole-2,5-dione; Mal-PEG6-NHS; Mal-PEG6-CH2CH2COONHS 
