InChI=1S/C26H45NO8/c1-6-11-16-27-17-20(33-22(29)13-8-3)26(35-24(31)15-10-5)25(34-23(30)14-9-4)19(27)18-32-21(28)12-7-2/h19-20,25-26H,6-18H2,1-5H3/t19-,20+,25-,26-/m1/s1