BB1-acid

Azido-PEG10-NHS ester

N-(2-Aminoethyl)maleimide TFA salt，Mal-NH2 TFA

Ph-Bis(C1-N-(C2-NH-Boc)2)，{2-[(4-{[Bis-(2-tert-butoxycarbonylamino-ethyl)-amino]-methyl}-benzyl)-(2-tert-butoxycarbonylamino-ethyl)-amino]-ethyl}-carbamic acid tert-butyl ester

Azido-PEG5-CH2CO2-NHS

Cbz-N-amido-PEG20-acid

Mal-PEG4-alcohol，Mal-PEG4-OH

Sulfo-NHS，N-Hydroxysulfosuccinimide sodium

Mal-PEG4-trimethylammonium chloride

Mal-amido-PEG8-acid，Mal-amido-PEG8-C2-acid

Mal-PEG5-NHS ester

Acid-PEG5-TEMPO

N,N'-DME-N-PEG2-tert-butyl ester，N,N'-DME-N-PEG2-Boc

Ald-CH2-PEG5-t-butyl ester，Ald-CH2-PEG5-Boc

SPDP-C6-NHS ester

Mal-amido-PEG4-NHS

6-Maleimidocaproic acid，6-马来酰亚胺己酸

SMCC，N-Succinimidyl 4-(N-maleimidomethyl)cyclohexane-1-carboxylate

Hexane-1,6-diyldiphosphonic acid

Azido-PEG1-acid，Azido-PEG1-C2-acid