InChI=1/C28H42N4O2/c33-27-17-15-21-23(11-9-13-25(21)31-27)29-19-7-5-3-1-2-4-6-8-20-30-24-12-10-14-26-22(24)16-18-28(34)32-26/h15-18,23-24,29-30H,1-14,19-20H2,(H,31,33)(H,32,34)/p+2/t23-,24-/m0/s1/fC28H44N4O2/h29-32H/q+2 8D2F1C98F2130F43