InChI=1/C28H28N2O2/c1-19-13-16-26(32-3)25(17-19)30-28(31)27(22-10-5-4-6-11-22)29-20(2)23-15-14-21-9-7-8-12-24(21)18-23/h4-18,20,27,29H,1-3H3,(H,30,31)/p+1/t20-,27-/m0/s1/fC28H29N2O2/h29-30H/q+1 9FE597619B9B0B15