6U9R:
reference: Discovery of Potent Small-Molecule Inhibitors of MLL Methyltransferase., Chern TR, Liu L, Petrunak E, Stuckey JA, Wang M, Bernard D, Zhou H, Lee S, Dou Y, Wang S, ACS Med Chem Lett. 2020 May 14;11(6):1348-1352. doi:, 10.1021/acsmedchemlett.0c00229. eCollection 2020 Jun 11. PMID: 32551023

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