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mPEG-COOH,97% average Mw2000, 1g
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mPEG-COOH,97% average Mw2000, 5g
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HO-PEG-COOH,Molecular weight 200-400, 5g
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HO-PEG-COOH,Molecular weight 200-400, 1g
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HO-PEG-AA,average Mw20000, 100mg
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HO-PEG-AA,average Mw20000, 250mg
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HO-PEG-AA,average Mw20000, 1g
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HO-PEG-AA,average Mw10000, 100mg
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HO-PEG-AA,average Mw10000, 250mg
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HO-PEG-AA,average Mw10000, 1g
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COOH-PEG-NHS,average Mn 1000, 1g
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