InChI=1/C22H22N6O/c1-15-4-6-18(7-5-15)20-12-21(26-25-20)22(29)27(3)16(2)17-8-10-19(11-9-17)28-14-23-13-24-28/h4-14,16H,1-3H3,(H,25,26)/t16-/m0/s1/f/h26H E66B270F6FEFDF99