Amino-PEG11-amine

t-Boc-Aminooxy-PEG7-bromide

2-(Azido-PEG2-amido)-1,3-propandiol

Bis-propargyl-PEG5

N-Benzyl-N-bis(PEG3-OH)，N-Benzyl-N-bis-PEG4

Bis-propargyl-PEG12

N-Boc-PEG3-bromide

Propargyl-PEG6-Ms

Desthiobiotin-PEG3-NHS ester

Biotin-PEG8-DBCO

t-Boc-N-amido-PEG7-acid，Boc-NH-PEG7-CH2CH2COOH

Tetra-(amido-PEG23-azide)

t-boc-N-amido-PEG8-azide

Amino-PEG23-acid HCl salt

Silane-PEG-Alkyne，MW：5000

t-Boc-N-Amido-PEG2-propargyl，Propargyl-PEG2-NHBoc

t-Boc-N-amido-PEG4-CH2CO2H，Boc-NH-PEG4-CH2COOH

Diketone-PEG12-DBCO

N-Boc-PEG11-alcohol

Amino-PEG2-(CH2)3CO2H，4-[2-(2-Aminoethoxy)ethoxy]butanoic acid