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

endo-BCN-PEG4-NHS ester

t-boc-N-amido-PEG8-amine

Propargyl-PEG10-alcohol

endo-BCN-PEG6-t-butyl ester

IA-PEG-NHS，Iodoacetyl-PEG-NHS，MW：3400

Propargyl-PEG3-NHS ester

Propargyl-PEG6-alcohol

endo-BCN-PEG4-acid

17-(Amino-PEG6-ethylcarbamoyl)heptadecanoic t-butyl ester

Propargyl-PEG2-methylamine

Amino-PEG9-alcohol，NH2-PEG9-OH

m-PEG17-propargyl

Amino-PEG8-t-Boc-hydrazide，Amino-PEG8-hydrazide-Boc

m-PEG5-propargyl

Azido-PEG7-amine，NH2-PEG7-N3

N-Me-N-bis(PEG2-propargyl)

Propargyl-PEG4-thiol

mPEG-ICG，MW：10000

Amino-PEG6-amine，1,20-Diamino-3,6,9,12,15,18-hexaoxaeicosane