InChI=1/C21H19N3O2/c1-2-21-10-9-17(26)18(12-3-5-13(25)6-4-12)19(21)14-7-8-16-20(15(14)11-21)23-24-22-16/h3-8,25H,2,9-11H2,1H3,(H,22,23,24)/t21-/m1/s1/f/h23H 9D2B52F6B11A7D05