InChI=1S/C24H26N4O/c1-14(9-10-21-17(4)27-24(26)28-23(21)25)18-11-19(13-20(12-18)29-5)22-15(2)7-6-8-16(22)3/h6-8,11-14H,1-5H3,(H4,25,26,27,28)/t14-/m0/s1