3KBA:
reference: Improving the developability profile of pyrrolidine progesterone receptor partial agonists., Kallander LS, Washburn DG, Hoang TH, Frazee JS, Stoy P, Johnson L, Lu Q, Hammond M, Barton LS, Patterson JR, Azzarano LM, Nagilla R, Madauss KP, Williams SP, Stewart EL, Duraiswami C, Grygielko ET, Xu X, Laping NJ, Bray JD, Thompson SK, Bioorg Med Chem Lett. 2009 Oct 25. PMID: 19926282

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