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    Discovery of the Triazolo[1,5‑<i>a</i>]Pyrimidine-Based Derivative WS-898 as a Highly Efficacious and Orally Bioavailable ABCB1 Inhibitor Capable of Overcoming Multidrug Resistance... by Shuai Wang (109515)

    Published 2021
    “…Here, we reported our medicinal chemistry efforts that led to the discovery of the triazolo­[1,5-<i>a</i>]­pyrimidine derivative <b>WS-898</b> as a highly effective ABCB1 inhibitor capable of reversing paclitaxel (PTX) resistance in drug-resistant SW620/Ad300, KB-C2, and HEK293/ABCB1 cells (IC<sub>50</sub> = 5.0, 3.67, and 3.68 nM, respectively), more potent than verapamil and zosuquidar. …”