InChI=1/C27H30N4O4/c1-19(32)29-23-10-6-20(7-11-23)15-28-26(33)18-31(17-25-3-2-14-35-25)16-21-4-8-22(9-5-21)27(34)30-24-12-13-24/h2-11,14,24H,12-13,15-18H2,1H3,(H,28,33)(H,29,32)(H,30,34)/f/h28-30H 2FFB932C58355F0F