| Synonyms: | Maleimide-PEG4-NHS;Mal-PEG4-CH2COOH;3,6,9,12-Tetraoxatetradecanoic acid, 14-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-;Maleimido-?Tetra(Ethylene Glycol)?-?Acetic Acid NHS ester;Mal-PEG4-CH2COOH/3,6,9,12-Tetraoxatetradecanoic acid, 14-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-;14-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-3,6,9,12-tetraoxatetradecanoic acid |