InChI=1/C20H22N4O2/c1-22-9-11-23(12-10-22)15-5-7-16(8-6-15)24-13-14-3-2-4-17(19(21)25)18(14)20(24)26/h2-8H,9-13H2,1H3,(H2,21,25)/f/h21H2 DB386FC81C0CA2D6