4L19:
reference: Characterization of selective exosite-binding inhibitors of matrix metalloproteinase 13 that prevent articular cartilage degradation in vitro., Spicer TP, Jiang J, Taylor AB, Choi JY, Hart PJ, Roush WR, Fields GB, Hodder PS, Minond D, J Med Chem. 2014 Nov 26;57(22):9598-611. doi: 10.1021/jm501284e. Epub 2014 Nov, 11. PMID: 25330343

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