Propargyl-PEG1-acid

Diazo Biotin-PEG3-DBCO

DBCO-PEG4-PFP ester

Lipoic acid-PEG-NHS，LA-PEG-NHS，MW:5000

t-Boc-N-amido-PEG7-acid，Boc-NH-PEG7-CH2CH2COOH

Aminooxy-PEG3-propargyl

Biotin-PEG11-Mal

Azido-PEG8-amine，26-Azido-3,6,9,12,15,18,21,24-octaoxahexacosan-1-amine

Aminooxy-PEG5-azide

DBCO-PEG6-NH-Boc

Bromoacetamido-PEG3-Boc-amine

DBCO-PEG2-amine

Propargyl-PEG9-amine

9-(Amino-PEG9-ethylcarbamoyl)nonanoic t-butyl ester

Propargyl-PEG5-amine

Amino-PEG2-acid，Amino-PEG2-C2-acid，H2N-PEG2-COOH

m-PEG5-propargyl

DBCO-PEG5-acid，DBCO-PEG5-COOH

Hydroxy-PEG7-DBCO

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