Biotin-PEG24-TFP ester

Mal-Cyclohexyl-PEG3-Biotin

Amino-PEG12-acid

Amino-PEG2-t-Boc-hydrazide，Amino-PEG2-C2-hydrazide-Boc

t-Boc-N-Amido-PEG12-propargyl，Boc-NH-PEG12-propargyl

Biotin-PEG4-azide，生物素-PEG4-叠氮

PC-Biotin-PEG4

Benzyl-PEG5-amine

Bis-PEG11-acid

t-Boc-N-Amido-PEG5-propargyl， Boc-NH-PEG5-propargyl

t-boc-N-amido-PEG11-azide

Amino-PEG8-acid，NH2-PEG8-acid，H2N-PEG8-COOH

Diazo Biotin-PEG3-azide，重氮生物素-PEG3-叠氮化物

Biotin-PEG8-NHS ester

Biotin-PEG3-amine，Biotin-LC-PEO-NH2，biotin-(PEO)4-NH2

Biotin-PEG2-NHS ester

Benzyl-PEG3-CH2CO2tBu，Benzyl-PEG2-CH2-Boc

endo-BCN-PEG2-amine

Bis-PEG6-NHS ester

endo-BCN-PEG3-amine