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. 2019 Jun 14;11(6):1064–1076. doi: 10.1080/19420862.2019.1624127

Scheme II.

Scheme II.

Disulfide bond exchange reaction. The free thiol of quenching reagent reacts with disulfide bond in ADC, which breaks the disulfide bond in ADC and attaches quenching reagent to heavy chain or light chain.