Amino-PEG23-acid HCl salt

N-(Amino-PEG23)-N-bis(PEG23-Azide)

Amino-PEG11-t-butyl ester，H2N-PEG11-CH2CH2COOtBu

NH-bis(PEG2-Boc)，NH-bis(C2-PEG2-NH-Boc)

1,1,1-Trifluoroethyl-PEG4-amine

NH2-PEG4-Lys(t-Boc)-NH-m-PEG24

Bis-aminooxRuixiG3，BIS-(AMINOOXY)-PEG3

Amine-Tri(3-methoxypropanamide-PEG23-Azide) Methane HCl salt

t-boc-N-amido-PEG7-amine，Boc-NH-PEG7-NH2，Boc-NH-PEG7-CH2CH2NH2

N-(Mal-PEG6)-N-bis(PEG3-amine) TFA salt

azido-tris(ethylenoxy)-L-alanine TFA Salt，Azide-PEG3-C1-Ala

m-PEG11-amine，mPEG11-NH2

N-(Amino-PEG3)-N-bis(PEG3-acid) HCl salt

Amino-PEG2-acid，Amino-PEG2-C2-acid，H2N-PEG2-COOH

Azido-PEG1-methyl ester

AZD-PEG2-Azide

Amino-PEG11-amine

N-(t-butyl ester-PEG3)-N-bis(PEG3-amine)

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

Azido-PEG35 amine，Azido-PEG35-amine