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. Author manuscript; available in PMC: 2021 Mar 17.
Published in final edited form as: Bioconjug Chem. 2019 Nov 26;30(12):3098–3106. doi: 10.1021/acs.bioconjchem.9b00755

Figure 1.

Figure 1.

The chemical synthesis of PDCs 1 and 2 starting with Dox or aldoxorubicin, respectively. The reagents used were (a) sulfo-SMCC, DMF/water and (b) peptide (H2N-CWxEAAYQrFL-CONH2), DMF/water. Lower case r equals D-arginine and x equals D-norleucine.