InChI=1S/C25H31N7/c1-8-31(9-2)20-14-13-19(17(4)26-20)27-21-22(25(5,6)7)30-32-23(28-29-24(21)32)18-12-10-11-16(3)15-18/h10-15H,8-9H2,1-7H3