4QXI:
reference: The Effect of Halogen-to-Hydrogen Bond Substitution on Human Aldose Reductase Inhibition., Fanfrlik J, Ruiz FX, Kadlcikova A, Rezac J, Cousido-Siah A, Mitschler A, Haldar S, Lepsik M, Kolar MH, Majer P, Podjarny AD, Hobza P, ACS Chem Biol. 2015 Jul 17;10(7):1637-42. doi: 10.1021/acschembio.5b00151. Epub, 2015 May 6. PMID: 25919404

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