InChI=1/C26H30N4O2/c1-18(2)16-20-8-10-21(11-9-20)24-17-28-26(32-24)13-12-25(31)27-14-15-30-19(3)29-22-6-4-5-7-23(22)30/h4-11,17-18H,12-16H2,1-3H3,(H,27,31)/f/h27H 49C192C5AC6C9310