InChI=1/C26H32N4O2/c1-20-24(19-29-11-9-28(10-12-29)18-21-5-3-2-4-6-21)26(31)23-17-22(7-8-25(23)27-20)30-13-15-32-16-14-30/h2-8,17H,9-16,18-19H2,1H3,(H,27,31)/p+1/fC26H33N4O2/h27-28H/q+1 8F7BF48748FC2E15