t-boc-N-amido-PEG6-azide，Boc-NH-PEG6-azide

Bis-PEG8-acid

Benzyl-PEG4-alcohol，2-[2-(2-phenylmethoxyethoxy)ethoxy]ethanol

t-boc-N-amido-PEG8-azide

N-Boc-PEG36-alcohol

Bis-PEG17-acid

Benzyl-PEG5-alcohol，Tetraethylene Glycol Monobenzyl Ether

Biotin-PEG3-(CH2)3-NH2 TFA salt，Biotin-PEG3-C3-NH2

Biotin-PEG6-NHS ester

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

Biotin-PEG4-amine

Bis-PEG5-acid，4,7,10,13,16-Pentaoxanonadecanedioic Acid

Biotin-PEG4-alcohol，Biotin-PEG4-OH

N-(triethoxysilane-PEG36-PEG3-)-N-bis(PEG3-biotin)

Amino-PEG8-t-Boc-hydrazide

Benzyl-PEG6-alcohol，Pentaethylene Glycol Monobenzyl Ether

D-Biotin-PEG6-Thalidomide，Biotin-PEG6-Thalidomide

Bis-PEG4-NHS ester

Biotin-PEG24-acid

Benzyl-PEG4-CH2CO2tBu，Benzyl-PEG3-CH2-Boc