Azido-PEG2-PFP ester

m-PEG8-NHS ester

Bis-PEG13-acid

m-PEG3-aldehyde

S-Acetyl-PEG3-azide

NH-bis(PEG1-OH)，NH-bis-PEG2

m-PEG7-NHS ester

Bis-PEG11-acid

Methyltetrazine-amido-Tri-(acid-PEG1-ethoxymethyl)-methane

DBCO-PEG3-amine，DBCO-PEG3-NH2

DBCO-PEG8-Benzylamine

Thiol-PEG8-acid，HS-PEG8-CH2CH2COOH

m-PEG12-DSPE

S-acetyl-PEG8-alcohol

m-PEG1-NHS ester

m-PEG10-NHS ester

N-Mal-N-bis(PEG4-NHS ester)

m-PEG3-acid，m-PEG2-CH2CH2COOH，二乙二醇单甲醚丙酸

Bromoacetamido-PEG2-NHS ester，Bromoacetamido-PEG2-C2-NHS ester

Fluorescein-PEG4-azide，Fluorescein-thiourea-PEG4-azide