InChI=1/C21H21N3O2/c1-2-3-9-21-10-8-16(25)18(17-5-4-11-26-17)19(21)13-6-7-15-20(14(13)12-21)23-24-22-15/h4-7,11H,2-3,8-10,12H2,1H3,(H,22,23,24)/t21-/m1/s1/f/h22H C7B636799713D4D7