4HMN:
reference: Morpholylureas are a new class of potent and selective inhibitors of the type 5 17-beta-hydroxysteroid dehydrogenase (AKR1C3)., Flanagan JU, Atwell GJ, Heinrich DM, Brooke DG, Silva S, Rigoreau LJ, Trivier E, Turnbull AP, Raynham T, Jamieson SM, Denny WA, Bioorg Med Chem. 2014 Feb 1;22(3):967-77. doi: 10.1016/j.bmc.2013.12.050. Epub, 2014 Jan 2. PMID: 24411201

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