InChI=1S/C30H48O4/c1-17(2)25(34)21(31)15-18(3)19-9-13-29(7)20(19)16-22(32)26-28(6)12-11-24(33)27(4,5)23(28)10-14-30(26,29)8/h18,21-23,25-26,31-32,34H,1,9-16H2,2-8H3/t18-,21+,22+,23-,25+,26+,28+,29+,30+/m1/s1