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. Author manuscript; available in PMC: 2019 Mar 12.
Published in final edited form as: J Med Chem. 2017 Apr 19;60(9):3814–3827. doi: 10.1021/acs.jmedchem.7b00018

Figure 1.

Figure 1

Structures of Fmoc-phosphinate dipeptide building blocks (3), Fmoc-Flp (4), and Fmoc-mep (5). The phosphinate dipeptides are analogs of Gly-Val (3a), Gly-Leu (3b), and Gly-Ile (3c).