PC-Biotin-PEG4-PEG4-alkyne

Propargyl-PEG10-t-butyl ester，Propargyl-PEG10-Boc

DBCO-PEG1-amine TFA salt

Biotin-PEG4-S-S-NHS

Propargyl-PEG2-alcohol

Acid-PEG4-S-S-PEG4-acid

Tri(propargyl-PEG2-NHCO-ethyloxyethyl)amine

Biotin-PEG6-t-butyl ester，Biotin-PEG6-Boc

DBCO-N-bis(PEG4-acid)

N-Boc-N-bis(PEG3-OH)

N-(m-PEG4)-N'-(azide-PEG3)-Cy5

N-(Azido-PEG4)-N-bis(PEG4-t-butyl ester)

endo-BCN-PEG4-Boc-amine

N-Mal-N-bis(PEG2-acid)

Propargyl-PEG4-CH2CO2-NHS

DADPS Biotin Azide，Biotin-PEG4-amino-t-Bu-DADPS-C6-azide

Bromoacetamido-PEG3-Boc-amine，Bromoacetamido-PEG3-NH-Boc

Biotin-PEG4-amido-methyltetrazine

DNP-PEG6-acid

Amino-PEG1-t-butyl ester，NH2-PEG1-CH2CH2-Boc