InChI=1/C21H24N4O2/c1-14-18(20(27-25-14)23-13-15-9-11-22-12-10-15)19(26)24-17-7-5-16(6-8-17)21(2,3)4/h5-12,23H,13H2,1-4H3,(H,24,26)/f/h24H 59B7DF74F8CB3049