英文别名1-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-3-oxo-7,10,13,16,19,22,25,28,31-nonaoxa-4-azatetratriacontan-34-oic acid; 3-[2-[2-[2-[2-[2-[2-[2-[2-[2-[3-(2,5-dioxopyrrol-1-yl)propanoylamino]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoic acid; 1-[3-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)propanamido]-3,6,9,12,15,18,21,24,27-nonaoxatriacontan-30-oic acid; Maleimide-NH-PEG9-CH2CH2COOH; Mal-NH-PEG9-acid; Mal-NH-PEG9-CH2CH2COOH; Mal-amido-PEG9-COOH; 4,7,10,13,16,19,22,25,28-Nonaoxa-31-azatetratriacontanoic acid, 34-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-32-oxo-; Mal-amido-PEG9-propionic acid; Mal-PEG9-acid