Bromo-PEG1-acid，3-(2-Bromoethoxy)propanoic acid

S-acetyl-PEG4-t-butyl ester，S-acetyl-PEG4-Boc

(4E)-TCO-PEG3-Maleimide

DBCO-PEG3-Maleimide，Mal-PEG3-DBCO

DBCO-triulfo-Cyanine3.5，Cy3.5-triulfo-DBCO

Mal-PEG4-acid

DBCO-N-ethyl-2-oxopropanamide

DBCO-PEG11-TCO，(4E)-TCO-PEG11-DBCO

Mal-PEG2-acid

tBOC-NH-PEG-SVA，MW:10000

DBCO intermidate 3

t-Boc-AminooxRuixiG3-S-Ac

S-acetyl-PEG6-t-butyl ester，S-acetyl-PEG6-Boc

Mal-PEG3-acid，Maleimido-tri(ethylene glycol)-propionic acid

Mal-PEG1-acid

DBCO-PEG20K-OMe

Cy5.5-TCO，TCO-Cyanine5.5

16-Heptadecynoic acid

Pyrene-PEG2-Propargyl

Super Fluor 647-NHS，Super Fluor 647 SE