– SNDX-5613 is a potent and selective inhibitor of menin-MLL binding with a Ki of 0.15 nM. SNDX-5613 shows anti-proliferative activity against multiple cell lines harboring MLLr translocations (MV4;11, RS4;11, MOLM-13, KOPN-8) with IC50 values ranging from 10-20 nM.