InChI=1S/C25H31N5O/c1-3-20-23(24(26)29-25(27)28-20)19-11-10-18-12-13-21(17-8-5-4-6-9-17)30(22(18)16-19)14-7-15-31-2/h4-6,8-11,16,21H,3,7,12-15H2,1-2H3,(H4,26,27,28,29)/t21-/m0/s1