t-Butoxycarbonyl-PEG1-NHS ester

CBZ-NH-PEG5-propionic acid

mPEG4-amine

Tos-PEG3-CH2CO2tBu，Tos-PEG2-CH2-Boc

mPEG5-acetic acid

DSPE-PEG-FSHB，MW：20000

(S, R, S)-AHPC-PEG2-amine hydrochloride salt

Thiol-PEG12-alcohol

endo BCN-PEG3-Gly

mPEG-Bromide，mPEG-Br，MW：1000

BCN-PEG4-CONH-Mal

DSPE-PEG12-NHS ester

TCO-PEG8-TCO

mPEG4-azide

DSPE-PEG-PTP，MW：10000

Tetrazine-PEG-SH， Tetrazine-PEG-Thiol，MW：3400

Hydroxy-PEG2-CH2COOtBu

Dopamine-PEG-SH，Dopamine-PEG-Thiol，MW：20000

t-boc-N-amido-PEG6-acetic acid

mPEG11-NHS Ester