N-Boc-N'-(PEG1-t-butyl ester)-L-Lysine-amido-Mal

17-(Bromoacetamido-PEG9-ethylcarbamoyl)heptadecanoic t-butyl ester

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

C11-PEG9-alcohol

2-(Azido-PEG3-amido)-1,3-bis(NHS Ester)

N-Boc-PEG8-bromide

S-acetyl-PEG6-t-butyl ester，S-acetyl-PEG6-Boc

Bis-PEG10-acid

Ald-Ph-PEG4-acid，Ald-Ph-amido-PEG4-C2-acid

m-PEG6-CH2COOH

N,N-diethanol amine-PEG4-tert-butyl ester，N,N-Diethanol amine-PEG4-Boc

N-Boc-N'-(mPEG24)-L-Lysine-OH

Amino-PEG8-t-Boc-hydrazide

DBCO-PEG3-Maleimide，Mal-PEG3-DBCO

m-PEG2-acid，乙二醇单甲醚丙酸

t-boc-N-amido-PEG8-azide

Mal-PEG3-t-butyl ester，Mal-PEG3-Boc

Biotin-PEG12-acid

Bis-PEG25-NHS ester

Tetra-(amido-PEG10-azide)