Val-Ala-PABC-Exatecan is a synthetic compound used as an antibody-drug conjugate payload. It consists of a cathepsin-cleavable valine-citrulline (Val-Ala) linker, a p-aminobenzyloxycarbonyl (PABC) self-immolative spacer, and the cytotoxic topoisomerase I inhibitor exatecan.
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CAS 2845164-91-0
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