InChI=1S/C28H38N4O5/c1-17(2)23(26(34)30-22(28(36)37)16-20-13-9-6-10-14-20)32-27(35)24(18(3)4)31-25(33)21(29)15-19-11-7-5-8-12-19/h5-14,17-18,21-24H,15-16,29H2,1-4H3,(H,30,34)(H,31,33)(H,32,35)(H,36,37)/t21-,22+,23-,24+/m1/s1