1ZRB:
reference: 9-hydroxyazafluorenes and their use in thrombin inhibitors., Stauffer KJ, Williams PD, Selnick HG, Nantermet PG, Newton CL, Homnick CF, Zrada MM, Lewis SD, Lucas BJ, Krueger JA, Pietrak BL, Lyle EA, Singh R, Miller-Stein C, White RB, Wong B, Wallace AA, Sitko GR, Cook JJ, Holahan MA, Stranieri-Michener M, Leonard YM, Lynch JJ Jr, McMasters DR, Yan Y, J Med Chem 2005 Apr 7;48(7):2282-93. PMID: 15801822

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