InChI=1S/C31H54O7/c1-20(10-12-22(32)29(6)17-14-23(37-29)27(2,3)33)21-11-13-25-30(7,36-21)19-16-26(35-25)31(8)18-15-24(38-31)28(4,5)34-9/h21-26,32-33H,1,10-19H2,2-9H3/t21-,22+,23-,24+,25-,26-,29-,30+,31+/m1/s1