InChI=1/C22H22N4O/c27-25-21-8-6-16-13-17(5-7-19(16)21)20-14-26(18-3-1-2-4-18)24-22(20)15-9-11-23-12-10-15/h5,7,9-14,18,27H,1-4,6,8H2/b25-21+ 89B4548CBAA5B4DC