InChI=1S/C23H24N4O/c1-14-5-8-17(9-6-14)19-11-18(12-20(13-19)28-4)15(2)7-10-21-16(3)26-23(25)27-22(21)24/h5-6,8-9,11-13,15H,1-4H3,(H4,24,25,26,27)/t15-/m0/s1