InChI=1/C27H26N2O4/c1-31-25-15-22-23(16-26(25)32-2)28-13-12-24(22)33-19-10-11-20-17(14-19)6-5-9-21(20)27(30)29-18-7-3-4-8-18/h5-6,9-16,18H,3-4,7-8H2,1-2H3,(H,29,30)/p+1/fC27H27N2O4/h28-29H/q+1 ECDA49E29A93C1DA