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Methoxy-PEG-(CH2)3NHCO(CH2)5-MAL, Mw 20,000 [1g amber glass bottle]
Methoxy-PEG-(CH2)3NHCO(CH2)5-MAL, Mw 10,000 [1g amber glass bottle]
Methoxy-PEG-(CH2)3NHCO(CH2)5-MAL, Mw 5,000 [1g amber glass bottle]
Methoxy-PEG-(CH2)3NHCO(CH2)5-MAL, Mw 40,000 [1g amber glass bottle]