Propargyl-PEG4-sulfonic acid

t-boc-N-amido-PEG5-amine，PROTAC Linker 17，Boc-NH-PEG5-CH2CH2NH2

Propargyl-PEG7-alcohol

endo-BCN-PEG8-NHS ester

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

Boc-N-amido-PEG12-amine

mPEG-ICG，MW：2000

Propargyl-PEG4-acid，Propargyl-PEG4-COOH

NH-bis(C1-PEG1-Boc)，2-Amino-1,3-bis(t-butoxycarbonylethoxy)propane

t-Boc-N-amido-PEG4-amine，Boc-NH-PEG4-CH2CH2NH2

IA-PEG-NHS，Iodoacetyl-PEG-NHS，MW：1000

Amino-PEG11-alcohol，Amino-PEG11-OH

Amino-PEG23-amine

Acryloyl-PEG-NHS，MW：3400

Propargyl-PEG2-amine，Propargyl-PEG2-NH2

mPEG-ICG，MW：1000

N-(Azido-PEG3)-N-(PEG2-amine)-PEG3-acid

Amino-PEG2-t-Boc-hydrazide，Amino-PEG2-C2-hydrazide-Boc

endo-BCN-PEG4-PFP ester

Propargyl-PEG8-acid