InChI=1/C27H28N4O4/c1-3-31(17-25(33)29-22-15-13-21(14-16-22)28-19(2)32)18-26(34)30-24-12-8-7-11-23(24)27(35)20-9-5-4-6-10-20/h4-16H,3,17-18H2,1-2H3,(H,28,32)(H,29,33)(H,30,34)/p+1/fC27H29N4O4/h28-31H/q+1 295CBCDE93C69C7E