InChI=1/C20H17N3O2/c21-11-14-6-4-13(5-7-14)10-18(24)23-9-8-15-2-1-3-16-19(15)17(23)12-22-20(16)25/h1-7,17H,8-10,12H2,(H,22,25)/t17-/m1/s1/f/h22H 853760E283689092