4QX4:
reference: Identification of novel aldose reductase inhibitors based on carboxymethylated mercaptotriazinoindole scaffold., Stefek M, Soltesova Prnova M, Majekova M, Rechlin C, Heine A, Klebe G, J Med Chem. 2015 Mar 26;58(6):2649-57. doi: 10.1021/jm5015814. Epub 2015 Mar 4. PMID: 25695864

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