4H7C:
reference: Synthesis and structure-activity relationships for 1-(4-(piperidin-1-ylsulfonyl)phenyl)pyrrolidin-2-ones as novel non-carboxylate inhibitors of the aldo-keto reductase enzyme AKR1C3., Heinrich DM, Flanagan JU, Jamieson SM, Silva S, Rigoreau LJ, Trivier E, Raynham T, Turnbull AP, Denny WA, Eur J Med Chem. 2013 Feb 9;62C:738-744. doi: 10.1016/j.ejmech.2013.01.047. PMID: 23454516

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