Methylamino-PEG2-acid HCl salt，Methylamino-PEG2-acid

DBCO-PEG3-amine，DBCO-PEG3-NH2

TCO-PEG12-amine

Propargyl-PEG4-S-PEG4-t-butyl ester，Propargyl-PEG4-S-PEG4-Boc

picolyl-azide-PEG4-NH2

Fmoc-N-amido-PEG4-amine

Azido-PEG5-acid，N3-PEG5-COOH

Mal-PEG1-Bromide

SPDP-PEG12-NHS ester

S-acetyl-PEG4-t-butyl ester，S-acetyl-PEG4-Boc

Mal-PEG4-acid

Azido-PEG5-azide，N3-PEG5-N3

Dimethylanaline-PEG4-acid

m-PEG6-(CH2)8-phosphonic acid ethyl ester

TCO-PEG2-Sulfo-NHS ester

FMOC-PEG-COOH，FMOC-PEG-acid，MW：2000

DBCO-PEG12-amine，DBCO-PEG12-NH2

TCO-PEG4-NHS ester

DSPE-PEG-APRPG，MW：5000

t-Butoxycarbonyl-PEG4-S-PEG4-t-butyl ester