t-Boc-aminooxRuixiG6-propargyl

Propargyl-PEG3-bromide

endo-BCN-PEG6-t-butyl ester

NH-bis(PEG4-t-butyl ester)，NH-bis(PEG4-Boc)

DBCO-PEG4-NHS ester

Propargyl-PEG4-CH2CO2tBu

Propargyl-PEG24-amine

Propargyl-PEG3-alcohol

Amino-Tri-(Azide-PEG10-ethoxymethyl)-methane HCl Salt

Sulfo DBCO-amine

NH-bis(PEG2-t-butyl ester)，NH-bis(PEG2-C2-Boc)

HydroxRuixiG7-DBCO

bis-PEG2-endo-BCN

bis-PEG4-endo-BCN

Bis-propargyl-PEG18

Propargyl-PEG10-alcohol

Propargyl-PEG3-NHS ester

Bis-propargyl-PEG8

DBCO-NHCO-PEG5-NHS ester

Propargyl-PEG4-(CH2)3-acid