InChI=1S/C28H40N4O3/c1-17(2)13-14-24-22(21-11-9-10-12-23(21)31-24)15-16-29-27(34)26(19(5)6)32(8)28(35)25(18(3)4)30-20(7)33/h9-13,15-16,18-19,25-26,31H,14H2,1-8H3,(H,29,34)(H,30,33)/b16-15-/t25-,26-/m0/s1