DS79932728 is an orally active inhibitor of G9a and GLP, with IC50 values of 12.6 nM and 75.7 nM, respectively. It induces the production of γ-globin, thereby increasing fetal hemoglobin (HbF) levels. In cynomolgus monkey models, DS79932728 enhances the proportion of F-reticulocytes (F-rets) and shows good oral absorption characteristics.