Ald-Ph-PEG24-TFP ester

Acid-PEG3-mono-methyl ester

Ald-Ph-PEG2-amine TFA salt，Ald-Ph-amido-C2-PEG2-amine

Acid-PEG6-mono-methyl ester

Mal-amido-PEG24-NHS

Mal-amido-PEG24-acid

Methylamino-PEG4-acid HCl salt，Methylamino-PEG4-acid

Azido-PEG3-acid，N3-PEG3-CH2CH2COOH

N-Hydroxysuccinimidyl-4-azidobenzoate，N3-Ph-NHS ester

Ald-Ph-PEG4-t-butyl ester，Ald-Ph-PEG4-Boc

Sulfo-SMCC，Sulfo-N-Succinimidyl 4-(Maleimidomethyl)cyclohexane-1-carboxylate, Sodium Salt

Acid-PEG3-t-butyl ester，Acid-PEG3-C2-Boc

1-(2-hydroxymethyl)-1-H-pyrrole-2,5-dione

Azidoacetic acid NHS ester

Azelaic acid，Nonanedioic acid

Mal-amido-PEG23-amine

Cbz-N-amido-PEG6-acid，Cbz-NH-PEG6-C2-acid

Cbz-N-amido-PEG8-acid，Cbz-NH-PEG8-C2-acid

Mal-amido-PEG9-amine TFA salt，Mal-amido-PEG9-amine

10-bromodecylphosphonic acid