Hydroxy-PEG3-SS-PEG3-alcohol

Propargyl-PEG10-alcohol

t-Boc-Aminooxy-PEG4-CH2CO2H，Boc-Aminooxy-PEG4-CH2CO2H

Amino-PEG9-t-butyl ester，Amino-PEG9-Boc

Biotin-PEG4-Picolyl azide，生物素-PEG4-吡啶叠氮化物

Aminooxy-PEG3-propargyl，AMINOXY-PEG3-PROPARGYL

Fmoc-Lys (biotin-PEG12)-OH

DBCO-PEG-Folate，DBCO-PEG-FA，MW：10000

t-Boc-Aminooxy-PEG12-NHS ester

Bis-PEG3-acid，3,3'-[oxybis(ethane-2,1-diyloxy)]dipropanoic acid

Biotin-PEG4-S-S-acid

N-Biotin-N-bis(PEG4-acid)

NH-bis(PEG2-propargyl)

DBCO-C2-PEG4-amine，DBCO-C2-PEG4-NH2

Biotin-PEG3-NHS ester

Bis-PEG18-NHS ester

Diketone-PEG12-Biotin

Bis-DBCO-PEG4

Bis-propargyl-PEG18

Azido-PEG1-amine，N3-PEG2-NH2，N3-PEG1-CH2CH2NH2