N-(m-PEG4)-N'-(DBCO-PEG4)-Cy5

Lipoic acid-PEG-NHS，LA-PEG-NHS，MW:20000

m-PEG7-Ms

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

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

Amino-PEG11-alcohol，Amino-PEG11-OH

N-(m-PEG4)-N'-(4-hydroxycyclohexyl-1-amido-PEG4)-Cy5

t-Boc-N-amido-PEG1-acid，Boc-NH-PEG1-CH2CH2COOH

t-Boc-N-amido-PEG7-acid，Boc-NH-PEG7-CH2CH2COOH

Biotin-PEG6-hydrazide

t-Boc-N-amido-PEG3-CH2CO2H，Boc-NH-PEG3-CH2COOH

m-PEG17-NHS ester

m-PEG5-alcohol，Pentaethylene glycol monomethyl ether

AZD-PEG2-Azide

Biotin-PEG12-hydrazide，生物素-PEG12-酰肼

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

N-Boc-PEG12-alcohol

Bis-PEG9-NHS ester

S-Acetyl-ethylene-amide-PEG11-azide

m-PEG12-Mal