Azido-PEG6-acid

Cbz-N-amido-PEG2-acid，Cbz-NH-PEG2-C2-acid

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

Mal-PEG4-trimethylammonium chloride

Azido-PEG7-acid

Acid-PEG6-t-butyl ester，Acid-PEG6-C2-Boc

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

Mal-amido-PEG9-NH-Boc

Ald-Ph-PEG3-O-NH-Boc，Ald-Ph-PEG4-NH-Boc

Ald-Ph-PEG2-acid，Ald-Ph-amido-PEG2-C2-acid

Azido-PEG10-acid

SMCC，N-Succinimidyl 4-(N-maleimidomethyl)cyclohexane-1-carboxylate

Mal-amido-PEG2-NHS，Maleimide-PEG2-NHS Ester

Mal-amido-PEG5-alkyne

Mal-PEG4-t-butyl ester，Mal-PEG4-Boc

Carboxy-PEG5-sulfonic acid

Azido-PEG8-acid，N3-PEG8-CH2CH2COOH

Acid-PEG4-mono-methyl ester

Azido-PEG4-acid，Azido-PEG4-C2-acid

Mal-PEG1-Bromide