InChI=1/C28H34N4O2/c1-29-27(33)25-13-9-23(10-14-25)19-31(3)17-21-5-7-22(8-6-21)18-32(4)20-24-11-15-26(16-12-24)28(34)30-2/h5-16H,17-20H2,1-4H3,(H,29,33)(H,30,34)/p+1/fC28H35N4O2/h29-31H/q+1 B83960B43E22ACA1