Benzyl-PEG6-alcohol，Pentaethylene Glycol Monobenzyl Ether

Biotin-PEG3-oxyamine HCl salt，Biotin-PEG3-oxyamine，Biotin-PEG3-oxyamine HCl

endo-BCN-PEG4-acid

Biotin-PEG2-NH-Boc

DBCO-PEG2-Maleimide，Mal-PEG2-DBCO

DBCO-PEG4-Desthiobiotin，Desthiobiotin-PEG4-DBCO

Bis-PEG10-acid

Propargyl-PEG10-t-butyl ester，Propargyl-PEG10-Boc

Propargyl-PEG3-bromide

m-PEG15-amine，MPEG15-NH2

DBCO-PEG23-amine TFA salt

Amino-PEG3-sulfonic acid HCl salt，Amino-PEG3-C2-sulfonic acid

Bis-PEG17-NHS ester

Benzyl-PEG5-amine

N-(Amino-PEG23)-N-bis(PEG23-Azide)

Bis-PEG8-NHS ester

t-Boc-Aminooxy-PEG1-amine，Boc-Aminooxy-PEG1-C2-NH2

TCO-PEG2-DBCO

DBCO-PEG12-NHS ester

PEG3-(CH2CO2H)2，3,6,9-Trioxaundecanedioic acid，3,6,9-三噁十一烷二酸