Bromo-PEG5-t-butyl ester，Bromo-PEG5-Boc

Amino-PEG6-acid，NH2-PEG6-CH2CH2COOH，H2N-PEG6-COOH

DBCO-NHCO-PEG4-NHS ester

UV Cleavable Biotin-PEG2-Azide

N-(Azido-PEG2)-N-Boc-PEG4-acid

Lipoic acid-PEG-NHS，LA-PEG-NHS，MW:20000

t-Boc-Aminooxy-PEG3-azide，Boc-Aminooxy-PEG3-azide

Bis-PEG6-NHS ester

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

Amino-PEG7-amine，O,O′-Bis(2-aminoethyl)hexaethylene Glycol

Bromo-PEG4-bromide，1,14-Dibromo-3,6,9,12-tetraoxatetradecane

DBCO-PEG2-acid，DBCO-PEG2-COOH

N-(Azido-PEG2)-N-Boc-PEG3-acid

Amino-PEG1-amine，2,2-Oxybis(ethylamine)，Bis(2-aminoethyl) Ether

N-(Hydroxy-PEG3)-N-bis(PEG4-t-butyl ester)

N-methyl-N'-methyl-O-(m-PEG4)-O'-(propargyl-PEG4)-Cy3

Bromoacetamido-PEG5-azide

Propargyl-PEG6-t-butyl ester，Propargyl-PEG6-Boc

Propargyl-PEG8-alcohol

Benzyloxy carbonyl-PEG3-acid