InChI=1/C28H32N4O2/c1-28(2,3)31-26-24-23(20-9-5-4-6-10-20)25(34-27(24)30-19-29-26)21-11-13-22(14-12-21)33-18-17-32-15-7-8-16-32/h4-6,9-14,19H,7-8,15-18H2,1-3H3,(H,29,30,31)/p+1/fC28H33N4O2/h31-32H/q+1 BD9B4F36A504FE32