InChI=1S/C28H44N4O5/c1-9-28(6,36)24-27(35)29-15-14-19-10-12-20(13-11-19)37-23(18(4)5)22(26(34)31-24)30-25(33)21(32(7)8)16-17(2)3/h10-15,17-18,21-24,36H,9,16H2,1-8H3,(H,29,35)(H,30,33)(H,31,34)/b15-14-