InChI=1/C21H23N3O2/c1-24-15-18(19-4-2-3-5-20(19)24)12-13-22-14-17-8-6-16(7-9-17)10-11-21(25)23-26/h2-11,15,22,26H,12-14H2,1H3,(H,23,25)/b11-10+/f/h23H 15487E34F91D4C71