Bis-PEG12-acid

Biotin-EDA-PEG5-NHS

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

t-Boc-N-amido-PEG11-amine，Boc-PEG-amine (n=11)

Azide-PEG-Rhodamine B，N3-PEG-RB，MW：10000

Bis-Sulfone-PEG9-DBCO

Lipoic acid-PEG-NHS，LA-PEG-NHS，MW:10000

DNP-PEG4-alcohol

Sulfo DBCO-PEG4-TFP ester

N-(Boc-PEG23)-N-bis(PEG3-azide)

t-Boc-Aminooxy-PEG5-amine，Boc-Aminooxy-PEG5-amine

Acid-PEG6-SS-PEG6-acid，Bis-(PEG6-acid)-SS

Fluorescein-triazole-PEG5-DOTA

17-(Amino-PEG6-ethylcarbamoyl)heptadecanoic t-butyl ester

NH-bis(PEG4-t-butyl ester)，NH-bis(PEG4-Boc)

t-Boc-Aminooxy-PEG12-t-butyl ester

t-Boc-N-amido-PEG8-acid，Boc-NH-PEG8-CH2CH2COOH

Amino-PEG2-acid，Amino-PEG2-C2-acid，H2N-PEG2-COOH

DBCO-NHCO-PEG13-NHS ester

Silane-PEG-Alkyne，MW：20000