APN-C3-PEG5-acid

N-(Azido-PEG2)-N-Boc-PEG3-acid

Tr-PEG5，Tr-PEG4-OH

N-Biotin-N-bis(PEG4-acid)

N,N'-bis-(propargyl-PEG4)-Cy5

N-(Azido-PEG3)-NH-PEG3-acid HCl salt，N-(Azido-PEG3)-NH-PEG3-acid

DNP-PEG3-[1,2,3]triazole-PEG5-amido-Mal

Biotin-PEG7-amine

t-Boc-N-amido-PEG3-sulfonic acid，Boc-NH-PEG3-sulfonic acid

Amino-PEG8-t-butyl ester，Amino-PEG8-Boc，H2N-PEG8-CH2CH2COOtBu

PEG-14，HO-PEG13-OH

Diketone-PEG12-DBCO

m-PEG4-(CH2)3-methyl ester，m-PEG4-CH2-methyl ester

Azido-PEG4-Val-Cit-PAB-OH

N-Boc-PEG8-bromide

Amino-PEG7-amine，O,O′-Bis(2-aminoethyl)hexaethylene Glycol

Bis-PEG8-NHS ester

Biotin-PEG12-acid

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

Biotin-PEG4-amido-methyltetrazine