InChI=1/C28H34N2O4/c1-5-19-34-23-15-13-21(14-16-23)25-24(26(31)22-11-9-20(4)10-12-22)27(32)28(33)30(25)18-8-17-29(6-2)7-3/h5,9-16,25,32H,1,6-8,17-19H2,2-4H3/t25-/m0/s1/f/h32h,29H A25AB2ABC5FE18E9