t-Boc-N-amido-PEG12-acid，Boc-NH-PEG12-CH2CH2COOH

Benzyl-PEG5-alcohol，Tetraethylene Glycol Monobenzyl Ether

N-(Fmoc-N-amido-PEG4)-N-Biotin-PEG4-t-Boc-Hydrazide

Biotin-PEG24-TFP ester

N-(t-butyl ester-PEG3)-N-bis(PEG3-azide)

m-PEG16-acid

m-PEG7-(CH2)3-alcohol，m-PEG7-CH2-OH

m-PEG12-NHS ester

Bromoacetamido-PEG8-acid，1-Bromo-2-oxo-6,9,12,15,18,21,24,27-octaoxa-3-azatriacontan-30-oic acid

PEG6-(CH2CO2H)2

Dimethylanaline-PEG35-alcohol

m-PEG12-acid

N-(azide-PEG3)-N'-(PEG4-NHS ester)-Cy5

Bromoacetamido-PEG2-Boc-amine，Bromoacetamido-C2-PEG2-NH-Boc

HydroxRuixiG3-SS-PEG3-alcohol

Dde Biotin-PEG4-Picolyl azide

NH-bis(PEG4-OH)，NH-bis-PEG5

Bromoacetamido-PEG3-acid，Bromoacetamido-PEG3-C2-acid

Benzyloxy carbonyl-PEG3-NHS ester

N-Boc-N-bis(PEG3-NHS ester)