Mal-heptanoic NHS ester，EMCS，N-Succinimidyl 6-maleimidohexanoate

Tetraethyl decane-1,10-diylbis(phosphonate)

1,5-Bis-Boc-1,5,9-triazanonane

2,5-Dioxo-1-pyrrolidinyl 11-azidoundecanoate

Cbz-N-amido-PEG3-acid，Cbz-NH-PEG3-C2-acid

Azido-PEG1-methylamine，Azido-PEG1-C2-methylamine

1,4-bis-Boc-1,4,7-triazaheptane，tert-Butyl (2-aminoethyl)(2-((tert-butoxycarbonyl)amino)ethyl)carbamate

Methylamino-PEG2-t-butyl ester，Methylamino-PEG2-Boc

1,5-diazidopentane ，1,5-Pentane Diazide

Butane-1,4-diyldiphosphonic acid

Azido-PEG4-NHS ester

Bis(bis(2-carboxyethyl)aminopropyl)methylamine

HydroxRuixiG1-methylamine

Mal-PEG12-t-butyl ester，Mal-PEG12-Boc

Azido-PEG2-NHS ester，N3-PEG2-C2-NHS ester

1,7-BIS-BOC-1,4,7-TRIAZAHEPTANE

4-[methyl(phenyl)amino]butanoic acid

Acid-PEG3-PFP ester

Mal-amido-PEG4-acid

DSG Crosslinker