756525-99-2

N-Succinim Mal-PEG4-NHS Mal-NH-PEG4-NHS Mal-amido-PEG4-NHS MAL-DPEG4-NHS Ester Mal-NH-PEG4-NHS ester MAL-NH-PEG4-CH2CH2COONHS Maleimide-PEG4-NHS Ester Maleimide-PEG4-succinimidyl Ester Maleimide-NH-PEG4-CH2CH2COONHS Ester Maleimidopropionyl-PEG4-CH2CH2COONHS Ester alpha-MaleiMidopropionyl-oMega-succiniMidyl-4(ethylene glycol) 3-(2-Maleimidoethylcarbamoyl)-peg4-propionic acid N-hydroxysuccinimide ester O-[N-(3-MaleiMidopropionyl)aMinoethyl]-O′-[3-(N-succiniMidyloxy)-3-oxopropyl]triethylene glycol O-[N-(3-Maleimidopropionyl)aminoethyl]-O'-[3-(N-succinimidyloxy)-3-oxopropyl]triethylene glycol >=90% (NMR) 2,5-dioxopyrrolidin-1-yl 19-(2,5-dioxo-2H-pyrrol-1(5H)-yl)-17-oxo-4,7,10,13-tetraoxa-16-azanonadecan-1-oate 2,5-dioxopyrrolidin-1-yl 1-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-3-oxo-7,10,13,16-tetraoxa-4-azanonadecan-19-oate N-[15-[(2,5-Dioxo-1-pyrrolidinyl)oxy]-15-oxo-3,6,9,12-tetraoxapentadec-1-yl]-2,5-dihydro-2,5-dioxo-1H-pyrrole-1-propanamide 4,7,10,13-Tetraoxa-16-azanonadecanoic acid, 19-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-17-oxo-, 2,5-dioxo-1-pyrrolidinyl ester