Acid-PEG12-t-butyl ester

Bromo-PEG2-acid，3-[2-(2-Bromoethoxy)ethoxy]propanoic acid

Bromo-PEG2-t-butyl ester，Bromo-PEG2-C2-Boc

Fmoc-N-amido-PEG20-acid，Fmoc-N-PEG20-acid

Azido-PEG10-NHS ester

Azido-PEG5-acid，N3-PEG5-COOH

N-Boc-N-bis(PEG3-OH)

Bis-PEG7-acid，HOOCCH2CH2-PEG7-CH2CH2COOH

PEG16，HO-PEG15-OH

m-PEG2-azide，1-(2-Azidoethoxy)-2-methoxyethane

AZD-PEG5-methyl ester

m-PEG6-acid，m-PEG5-CH2CH2COOH

t-butyl ester-PEG25-Amide-Tri(3-methoxypropanamide-PEG23-Azide) Methane

Fmoc-N-amido-PEG6-acid，Fmoc-NH-PEG6-CH2CH2COOH

Mal-PEG8-t-butyl ester，Mal-PEG8-Boc

THP-PEG3，THP-PEG2-OH，Tetrahydropyranyldiethyleneglycol

N-Boc-N-bis(PEG4-NHS ester)

m-PEG4-bromide，m-PEG4-Br，三乙二醇2-溴乙基甲醚

Lipoamide-PEG11-Mal

m-PEG4-Tos