Fmoc-NH-PEG3-CH2COOH

Acid-PEG2-SS-PEG2-acid

3-(m-PEG12-ethoxycarbonyl)propanoic acid，m-PEG12-COO-propanoic acid

m-PEG12-Thiol

m-PEG48-Mal

PEG13，Dodecaethylene glycol ，HO-PEG12-OH

m-PEG6-CH2COOH

PEG25，HO-PEG24-OH

HydroxRuixiG9-t-butyl ester，HydroxRuixiG9-Boc

4-Azide-TFP-Amide-PEG4-acid

m-PEG12-alcohol，m-PEG12-OH

HydroxRuixiG4-t-butyl ester，HydroxRuixiG4-(CH2)2-Boc

Mal-PEG4-Glu(OH)-NH-m-PEG24

m-PEG16-azide

Azido-Phenyl-Amido-S-S-Sulfo-NHS

m-PEG8-thiol，巯基八甘醇单甲醚

Bis-Tos-(2-hydroxyethyl disulfide)

m-PEG4-(CH2)3-acid，三甘醇单甲醚丁酸

Azidoethyl-SS-ethylalcohol，2-[(2-Azidoethyl)disulfanyl]ethanol

1,4-Di(3-Hydroxypropoxy)butane