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NHS-OCOO-PEG-COO-NHS, Mw 40,000
NHS-OCOO-PEG-COO-NHS, Mw 10,000
Molecular weight: 20000
Molecular weight: 20000

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Molecular weight: 20000

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Molecular weight: 20000
X=12 Molecular weight: 839.97

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X=8 Molecular weight: 663.76

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Molecular weight: 2070.30

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2arm branched PEG, -(CH23NHCO(CH2)2-MAL, Mw 40,000
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