m-PEG4-succinimidyl carbonate，m-PEG4-O-NHS ester

Lipoamido-PEG8-acid

Mal-PEG4-t-butyl ester，Mal-PEG4-Boc

Ald-Ph-PEG6-acid

TCO-PEG9-maleimide

Cbz-N-amido-PEG4-acid，Cbz-NH-PEG4-C2-acid

Mal-amido-PEG24-TFP ester

Azide-PEG6-Tos

DSPE-PEG-HAIYPRH，MW：2000

Thalidomide-O-PEG5-Tosyl

DSPE-PEG-HAIYPRH，MW：1000

DSPE-PEG-VIP，MW：10000

Bis-PEG4-PFP ester

Methylamino-PEG1-acid HCl salt，Methylamino-PEG1-acid

DSPE-PEG-SP94，MW：10000

Ald-Ph-PEG2-amine TFA salt，Ald-Ph-amido-C2-PEG2-amine

Acid-PEG2-t-butyl ester，Acid-PEG2-C2-Boc

Thiol-PEG8-acid，HS-PEG8-CH2CH2COOH

Mal-PEG8-Val-Cit-PAB-MMAE

Propargyl-PEG2-Tos