InChI=1/C28H34N4O2/c1-31(2)19-25-11-7-5-9-23(25)17-29-27(33)21-13-15-22(16-14-21)28(34)30-18-24-10-6-8-12-26(24)20-32(3)4/h5-16H,17-20H2,1-4H3,(H,29,33)(H,30,34)/p+2/fC28H36N4O2/h29-32H/q+2 F9742F5DFBF565EF