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NHS PEG

NHS-OCOCH2O-PEG-CH2COO-NHS, Mw 3,000   


NHS-OCO(CH2)2COO-PEG-CO(CH2)2COO-NHS, Mw 3,400   


NHS-OCO(CH2)3COO-PEG-CO(CH2)3COO-NHS, Mw 3,400   


NHS-OCO(CH2)5O-PEG-(CH2)5COO-NHS, Mw 3,400   


NHS-OCO(CH2)3COO-PEG-CO(CH2)3COO-NHS, Mw 10,000   


NHS-OCO(CH2)5O-PEG-(CH2)5COO-NHS, Mw 10,000   


NHS-OCO(CH2)3COO-PEG-CO(CH2)3COO-NHS, Mw 20,000   


NHS-OCO(CH2)5O-PEG-(CH2)5COO-NHS, Mw 20,000