DBCO-PEG12-DBCO

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

DBCO-C2-alcohol

N-(Amino-PEG2)-N-bis(PEG3-azide)

Bis-PEG11-NHS ester

m-PEG48-amine

m-PEG2-amine，tris-3,6-dioxaheptylamine，3,6-dioxa-heptylamine

Diazo Biotin-PEG3-alkyne

Amine-PEG4-Amido-tri-(carboxyethoxymethyl)-methane

Azido-PEG23 amine

DBCO-C6-acid，DBCO-C6-COOH

Benzyl-PEG5-CH2CO2tBu，BnO-PEG4-Boc

Biotin-PEG6-alcohol，Biotin-PEG6-OH

Biotin-PEG2-acid

N-(Biotin-PEG4)-N-bis(PEG4-acid) HCl salt

Biotin-SS-azide，Azide-C2-SS-C2-biotin

DBCO-C3-alcohol

Sulfo DBCO-PEG3-acid

Biotin-PEG4-amine

Propargyl-PEG2-amine，Propargyl-PEG2-NH2