IA-PEG-NHS，Iodoacetyl-PEG-NHS，MW：3400

endo-BCN-PEG2-PFP ester

Azido-PEG5-amine，N3-PEG5-NH2，5-PEG amino azide，17-azido-3,6,9,12,15-pentaoxaheptadecanamine

Bis-propargyl-PEG18

t-Boc-N-amido-PEG6-CH2CO2H，Boc-NH-PEG6-CH2COOH

Bis-PEG9-acid，HOOCCH2CH2-PEG9-CH2CH2COOH

N-Me-N-bis(PEG2-propargyl)

Propargyl-PEG7-acid

bis-PEG23-endo-BCN

Azido-PEG11-amine，Azido-dPEG(R)11-amine

Bis-PEG1-NHS ester

t-boc-N-amido-PEG6-azide，Boc-NH-PEG6-azide

N-(Azido-PEG4)-N-bis(PEG4-amine)

Bis-propargyl-PEG12

Benzyl-PEG5-azide

t-Boc-Aminooxy-PEG2-alcohol，2-Methyl-2-propanyl [2-(2-hydroxyethoxy)ethoxy]carbamate

t-boc-N-amido-PEG8-azide

4,7,10,13,16-Pentaoxanonadecane-1,19-diamine，1,19-diamino-4,7,10,13,16-pentaoxa-nonadecane

Biotin-PEG24-TFP ester

Amino-PEG2-CH2CO2H，H2N-PEG2-CH2COOH