InChI=1/C20H21N3O2/c1-15-7-3-4-8-18(15)22-20(24)16(14-21)13-17-9-10-19(25-17)23-11-5-2-6-12-23/h3-4,7-10,13H,2,5-6,11-12H2,1H3,(H,22,24)/b16-13-/f/h22H 6439CD9FF92722AC