PEG

MeO-PEG12-Propargyl

BocNH-PEG3-OH ?N-Boc-PEG3-alcohol?

BocNH-PEG6-OH

BocNH-PEG7-OH

BocNH-PEG8-OH

BocNH-PEG9-OH

BocNH-PEG12-OH

HO-PEG5-OH

HO-PEG6-OH

HO-PEG7-OH

HO-PEG8-OH

HO-PEG9-OH

HO-PEG10-OH

HO-PEG11-OH

HO-PEG12-OH

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