t-Boc-N-Amido-PEG8-propargyl，Boc-NH-PEG8-propargyl

Biotin-PEG8-acid

N-(Azido-PEG4)-biocytin

Lipoic acid-PEG-NHS，LA-PEG-NHS，MW:10000

THP-SS-PEG1-Tos

N-(Azido-PEG3)-N-bis(PEG4-acid)

Azidoethyl-PEG2-t-Butyl ester，Azidoethyl-SS-PEG2-Boc

Benzyloxy carbonyl-PEG4-NHS ester

Biotin-PEG6-acid

N-(Mal-PEG6)-N-bis(PEG7-TCO)

m-PEG7-4-nitrophenyl carbonate

Mal-amido-PEG2-Val-Cit-PAB-PNP

m-PEG6-NHS ester

Benzyl-PEG6-alcohol，Pentaethylene Glycol Monobenzyl Ether

Bromo-PEG2-methyl ester

5-(tetrahydro-2H-pyran-2-yloxy)pent-3-yn-1-PEG4-bromide

Bis-Bromoacetamido-PEG11

Hydrox-PEG9-Tos，PEG9-Tos

m-PEG8-bromide，m-PEG8-Br

Tri(Azide-PEG10-NHCO-ethyloxyethyl)amine