InChI=1S/C27H46O3/c1-17(16-28)6-5-7-18(2)21-8-9-22-25-23(11-13-27(21,22)4)26(3)12-10-20(29)14-19(26)15-24(25)30/h15,17-18,20-25,28-30H,5-14,16H2,1-4H3/t17?,18-,20+,21-,22+,23+,24-,25+,26+,27-/m1/s1