Trityl-PEG10-azide

m-PEG10-t-butyl ester，m-PEG10-Boc

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

Propargyl-PEG1-NHBoc

AZD-PEG2-acid

Bromoacetamido-PEG3-TCO

5-(tetrahydro-2H-pyran-2-yloxy)pent-3-yn-1-PEG4-bromide

t-Boc-N-Amido-PEG5-propargyl， Boc-NH-PEG5-propargyl

Mal-PEG2-Val-Cit-PAB-OH，Mal-PEG2-Val-Cit-amido-PAB-OH

Amino-PEG2-t-Boc-hydrazide，Amino-PEG2-C2-hydrazide-Boc

Lipoamido-PEG8-acid

m-PEG3-t-butyl ester，m-PEG3-Boc

N-(m-PEG4)-N'-(PEG4-NHS ester)-Cy5

m-PEG4-(CH2)3-acid，三甘醇单甲醚丁酸

Iodoacetamido-PEG8-t-butyl ester

N-Benzyl-N-bis(PEG3-OH)，N-Benzyl-N-bis-PEG4

N-(Amino-PEG4)-N-Biotin-PEG4-acid

N-Boc-PEG24-alcohol

m-PEG13-t-butyl ester，m-PEG13-Boc

Methyltetrazine-PEG24-amine HCl salt