Amine-tris-PEG3-DBCO constitutes a branched PEG linker containing an amine moiety to react with carboxylic acids, activated NHS esters, and carbonyls (ketone, aldehyde). The three DBCO moieties can conjugate with azide-bearing molecules via click chemistry. The PEG3 arms bolster the compound's water solubility. The branched structure permits attachment of multiple ADC payloads or other molecules.
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