LSD1-IN-26 (compound 12u) is a potent LSD1 inhibitor, with an IC50 of 25.3 nM. LSD1-IN-26 also inhibits MAO-A (IC50=1234.57 nM) and MAO-B (IC50=3819.27 nM). LSD1-IN-26 significantly induces apoptosis in MGC-803 cells. LSD1-IN-26 can be used for gastric c