InChI=1S/C27H48O4/c1-15(2)10-19(29)11-16(3)20-6-7-21-25-22(14-24(31)27(20,21)5)26(4)9-8-18(28)12-17(26)13-23(25)30/h15-25,28-31H,6-14H2,1-5H3/t16-,17+,18-,19?,20-,21+,22+,23-,24+,25+,26+,27-/m1/s1