4XYC:
reference: Nanomolar inhibitors of Mycobacterium tuberculosis glutamine synthetase 1: Synthesis, biological evaluation and X-ray crystallographic studies., Couturier C, Silve S, Morales R, Pessegue B, Llopart S, Nair A, Bauer A, Scheiper B, Poverlein C, Ganzhorn A, Lagrange S, Bacque E, Bioorg Med Chem Lett. 2015 Apr 1;25(7):1455-9. doi: 10.1016/j.bmcl.2015.02.035., Epub 2015 Feb 23. PMID: 25770781

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