InChI=1/C27H32N2O4/c1-4-19-5-10-25-22(15-19)24(30)16-26(33-25)27(31)28-17-23(29-11-13-32-14-12-29)21-8-6-20(7-9-21)18(2)3/h5-10,15-16,18,23H,4,11-14,17H2,1-3H3,(H,28,31)/t23-/m0/s1/f/h28H C0C703B489C63694