2BDL:
reference: Novel, potent P2-P3 pyrrolidine derivatives of ketoamide-based cathepsin K inhibitors., Barrett DG, Catalano JG, Deaton DN, Hassell AM, Long ST, Miller AB, Miller LR, Ray JA, Samano V, Shewchuk LM, Wells-Knecht KJ, Willard DH Jr, Wright LL, Bioorg Med Chem Lett. 2006 Mar 15;16(6):1735-9. Epub 2006 Jan 11. PMID: 16376075

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