4A6L:
reference: Structure-based library design and the discovery of a potent and selective mast cell beta-tryptase inhibitor as an oral therapeutic agent., Liang G, Aldous S, Merriman G, Levell J, Pribish J, Cairns J, Chen X, Maignan S, Mathieu M, Tsay J, Sides K, Rebello S, Whitely B, Morize I, Pauls HW, Bioorg Med Chem Lett. 2012 Jan 15;22(2):1049-54. Epub 2011 Dec 7. PMID: 22192588

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