Mal-PEG4-VC-PAB-DMEA

Fmoc-Phe-Lys(Boc)-PAB-PNP

MC-Val-Cit-PAB

DBCO-NHS ester

Fmoc-3VVD-OH

SPDP

Sulfo-SMCC sodium 

Boc-Dap-NE 

Fmoc-NH-PEG2-NH2 

MC-Gly-Gly-Phe-Gly-NH-CH2-O-CH2COOH

Mc-Val-Cit-PABC-PNP

SMCC

Val-cit-PAB-OH

DSP Crosslinker

DSS Crosslinker

Vipivotide tetraxetan Linker

Boc-Val-Cit-OH

Fmoc-Val-Cit-PAB

Maleimide-DOTA

Phe-Lys(Fmoc)-PAB

Boc-Gly-Gly-Phe-Gly-OH

N-Bromoacetyl-β-alanine

Mc-Val-Cit-PAB-Cl