InChI=1S/C31H46O6/c1-9-20(6)24(32)23-25(33)30(14-10-18(2)3,15-11-19(4)5)27(35)31(26(23)34)16-22-21(29(8,37)17-31)12-13-28(22,7)36/h10-11,20-22,33,36-37H,9,12-17H2,1-8H3/t20-,21-,22+,28-,29+,31+/m1/s1