InChI=1S/C31H48O7/c1-18(32)36-20-17-22-27(5)12-10-23(37-19(2)33)26(3,4)21(27)9-13-28(22,6)29(7)15-16-31(35,25(20)29)30(8)14-11-24(34)38-30/h20-23,25,35H,9-17H2,1-8H3/t20-,21+,22+,23-,25-,27+,28-,29-,30+,31-/m1/s1