3C43:
reference: Fluoroolefins as amide bond mimics in dipeptidyl peptidase IV inhibitors., Edmondson SD, Wei L, Xu J, Shang J, Xu S, Pang J, Chaudhary A, Dean DC, He H, Leiting B, Lyons KA, Patel RA, Patel SB, Scapin G, Wu JK, Beconi MG, Thornberry NA, Weber AE, Bioorg Med Chem Lett. 2008 Apr 1;18(7):2409-13. Epub 2008 Feb 26. PMID: 18331795

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