tBOC-NH-PEG-SVA，MW:1000

DBCO-PEG-Folate，DBCO-PEG-FA，MW：20000

N,N'-DME-N,N'-Bis-PEG2-acid

DOTA-PEG5-azide

Tri-(Propargyl-PEG2-ethoxymethyl)-methane-amido-PEG3-carboxylate

tBOC-NH-PEG-SVA，MW:5000

m-PEG15-amine，MPEG15-NH2

FITC-PEG-N3，Fluorescein-PEG-Azide，MW：20000

Bis-aminooxy-PEG4

t-Boc-N-Amido-PEG6-propargyl， Boc-NH-PEG6-propargyl

DBCO-NHCO-PEG5-NHS ester

Biotin-PEG8-amine

2-Bromo-2,2-dimethyl-acetamido-PEG3-acid

Silane-PEG-Alkyne，MW：3400

Aminooxy-PEG3-NH-Boc，Aminooxy-PEG3-C2-NH-Boc

N-(m-PEG4)-N'-(PEG4-NHS ester)-Cy5

Amino-PEG4-t-Boc-hydrazide，Amino-PEG4-hydrazide-Boc

DBCO-PEG4-PFP ester

Aminooxy-PEG2-amine HCl salt

N-Mal-N-bis(PEG2-amine) TFA salt，N-Mal-N-bis(PEG2-amine)