Propargyl-PEG7-alcohol

Boc-Gly-PEG3-endo-BCN

Propargyl-PEG4-(CH2)3-acid

Propargyl-PEG4-thiol

Propargyl-PEG4-alcohol

Propargyl-PEG4-acid，Propargyl-PEG4-COOH

Propargyl-PEG2-methylamine

m-PEG12-propargyl

m-PEG8-propargyl

endo-BCN-PEG12-acid

endo-BCN-PEG4-amine

DBCO-PEG5-acid，DBCO-PEG5-COOH

Propargyl-PEG8-bromide

Propargyl-PEG5-CH2CO2tBu

Propargyl-PEG24-amine

Propargyl-PEG5-alcohol

Propargyl-PEG8-t-butyl ester，Propargyl-PEG8-Boc

Propargyl-PEG9-bromide

TCEP, Hydrochloride salt，Tris(2-​carboxyethyl)​phosphine hydrochloride

3,4-Dibromo-Mal-PEG2-Boc-Amine，3,4-Dibromo-Mal-PEG2-N-Boc