InChI=1S/C30H50O7/c1-18(10-12-23-19(2)11-13-24-29(6,7)15-9-16-30(23,24)8)14-17-34-28-27(37-22(5)32)26(36-21(4)31)25(33)20(3)35-28/h18,20,23-28,33H,2,9-17H2,1,3-8H3/t18-,20-,23+,24+,25-,26+,27+,28+,30+/m0/s1